GB 18418-2001 Household sanitary insecticide products - Electric liquid mosquito coils
Some standard content:
GB184182001
Technical requirements 4.2, 4.3, 4.4, and 4.22.1 of this standard are recommended, and the rest are mandatory. The household sanitary insecticide product, the hot liquid mosquito coil, is a product in which the absorbable core rod is placed in a bottle containing a killing liquid, and after being heated by a constant temperature electric heater, it acts on mosquitoes in a gas state to repel (kill) insects. This standard is formulated on the basis of the original light industry standard Q1652.3-1993 of the People's Republic of China "Household sanitary insecticide product, electric hot liquid mosquito coil", and appropriate modifications and additions are made to the contents of each chapter to make the standard more standardized and the content more complete. In addition, clear provisions are made on the electric heating liquid and electric heater. At the same time, the appendix A and appendix B of the standard explain in detail the determination method of active ingredients, which are applicable to the test needs of gas chromatograph capillary column and filled with dapoxetine; the indoor efficacy determination method of electric hot liquid mosquito coils and appendix C refer to GB13917.6·1992\Indoor efficacy test method for registered pesticides and sanitary insecticides and indoor efficacy determination method of electric hot liquid mosquito coils, and re-specify the temperature in the test room in combination with actual conditions.
An electric heater that complies with the text of this standard, if it is found to have other characteristics that will damage the safety level contained in these requirements when inspected and tested, it will not be judged to comply with the safety principles promoted by this standard. The implementation date of this standard will be postponed, and it will replace QR1692.3-1993 at the same time. The appendix A, appendix and appendix C of this standard are the appendices of the standard. This standard is proposed by China Light Industry Federation. The national standardization center for this standard is responsible for drafting this standard: Weidu Rainbow Electric Appliance Group Co., Ltd., Wenzhou Da'ou Industrial Co., Ltd., Wenzhou Ousida Electric Appliance Industrial Co., Ltd.
The main drafters of this standard are: Dian Qingze, Lin Weiguo, Chen Dawei, and Bao Guoxian. 713
1 Scope
National Standard of the People's Republic of China
Household sanitary insecticide-Electrothermal mosquito liquid incense
Domestic sanitary insecticide-Electrothermal mosquito liquid incenseGB 18418-2001
This standard specifies the definition, technical requirements, test methods, inspection rules and marking, packaging, transportation, storage and instructions for use of household sanitary insecticide-Electrothermal mosquito liquid incense (including medicine, medicine bottle and electric heater). This standard applies to products that are placed in a body filled with insect repellent liquid, heated by a matching constant temperature heater, and act on mosquitoes in a gaseous state to achieve the effect of repelling (killing) mosquitoes. 2 Referenced standards
The provisions contained in the following subtitles constitute the provisions of this standard through reference in this standard. When this standard is published, the versions shown are valid. All standards will be revised. Each party using this standard should explore the possibility of using the latest version of the following standards. G3 1002--1996 Single-phase plugs and sockets for household and similar purposes Types, basic parameters and dimensions GB2099.1-1996 Plugs and sockets for household and similar purposes Part 1: Avoidance requirements eqvIEC884-1:1994 GlB/T2423.81995 Environmental testing for electrical and electronic products Part 2: Test methods Test Ed; free fall idt IEC 68-2-32:1990
GB/T 2828--198?
G3/T 2820--- 1587
GB 4706. 1-1998
GB 5296. 11997
Batch inspection counting sampling procedure and sampling table (applicable to the inspection of continuous batches) Periodic inspection counting sampling procedure and sampling table (applicable to the inspection of the stability of the production process) Safety of household and similar electrical appliances Part 1: General requirements egV1EC335-1:1991 Instructions for use of consumer products General principles
Instructions for use of household and similar electrical appliances GB 5296, 2
Instructions for use of consumer products
GB 13917.6-- 1992?
Pesticide registration and health care system efficacy test method Indoor efficacy determination method of electric liquid mosquito-repellent incense
3 Definitions
This standard adopts the following definitions
3.1 Knockdown time (KT5℃ value)
The time required for the test insects to be knocked down (i.e., inactivated) under specified conditions F. 3.2 Efficacy
The product should achieve the effect of repelling (killing) mosquitoes under the specified conditions and within the specified time. 3.3 Active ingredients
Chemical ingredients with biological insecticide activity. 3.4 Measuring range angle
A device that can make the sample under test be in a place without external airflow. 3.5 Working temperature (radiant temperature)
Approved by the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China on August 28, 2001714
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Implementation on July 1, 2002
GB 18418 2001
Under the condition of full heating, the center temperature of the heating circle of the electric heater, 4 Technical requirements
4.1 Requirements for medication
Must be a medicine registered or approved for use by relevant national government departments: 4.2 Appearance, sensory and size
4.2.1 The liquid medicine bottle should consist of a bottle cap, a liquid wick, a plate plug, liquid medicine and a body, etc. 4.2.2 Plastic parts shall not have obvious plastic defects and warping, cracks, scratches, burrs, 4.2.3 The components of the electric heater shall be assembled and matched firmly, and the fasteners shall not be loose. 4.2.4: Metal parts shall not have rust spots.
4.2.5 Smoke and pungent smell should be particularly obvious during use, and the liquid should not be layered, condensed or precipitated. 4.2.6 The diameter of the liquid pipette core rod is $7+0.1 mm: the external thread size of the medicine bottle II is: the thread outer diameter L) is 24.5-33 mm, the pitch is 2.5 mm, the thread width A is 4.2.7
1.25 mm, and the thread height h is greater than 0.9 mm
4.3 Tightness
4.3.1 After the liquid bottle is tested in 5.3.1, there should be no liquid spillage in all parts of the bottle. 4.3.2 After the electric liquid heater is assembled and tested in 5.3.2, there should be no liquid spillage from the bottle mouth. 4.4 Free fall
After the test in 5.4, there should be no drug spillage and no damage to the bottle. 4.5 Consumption
After the drug is tested according to the manufacturer's instructions, it should be ensured that there is still drug liquid available for volatilization and the drug efficacy still meets the requirements of 1.6. 4.6 Efficacy
Reading tube method KT! 0s5 min or square box method KT597 min4.7 Net content of liquid medicine
The net content of the product shall be clearly stated on the packaging and marked with volume and mass units: the net content shall not be lower than the product clearly stated, 4.8 Active ingredient content
The active ingredient content of the product must be clearly stated on the packaging, and the relative deviation of the effective or relative content is ±10%, 4.9 Thermal storage stability
After the thermal fertilizer stability test, the degradation rate of the active ingredient content of chrysanthemum is ≤5% and the degradation rate of the active ingredient content of other types is 10%, 4.10 Working temperature (radiation temperature) and deviation of electric heater The working temperature (radiation temperature) of the electric heater shall be determined by the manufacturer and must be clearly stated on the packaging. The relative deviation is 274.11 Voltage fluctuation characteristics
The power supply voltage changes within the range of rated voltage + 10%-it should not affect normal use, and its temperature change should meet the requirements of 4.10. 4.12 The heater should have the following punctuation:
a) Manufacturer's name:
h) Product name;
c) Trademark or identification mark:
(l) Model and specification of the appliance;
e) Rated voltage (V) Rated frequency (Hz) Rated input power (W): [】 Symbol of Class II structure,
4.13 Protection against touching live parts
The structure and enclosure of the appliance should provide adequate protection against accidental touching of live parts: 4. 14 Input power
GB 18418 - 2001
At rated voltage and normal operating temperature, the input power of the appliance shall not deviate by more than 20% from its rated input power. 4.15 Heating
The surface temperature rise of the hand-held part of the electric heater housing and the temperature rise of the bottom of the electric heater housing shall not exceed 50K. 4-16 Leakage current
4.16.1 Leakage current at operating temperature. 0.25mA: 4.16.2 Tidal leakage current 0.25mA.
4.17 Electrical strength
The electric heater shall be able to withstand a withstand voltage test of 1 nin at an AC voltage of 50 Hz frequency, and no breakdown shall occur. The voltage values applied in different tests are as follows:
a) Cold electrical strength: 3750V
h) Electrical strength at operating temperature: 3750V:
418 Durability
Apply 1.25 times the rated voltage under normal use conditions, and after the test, it shall meet the requirements of 4.10 and 4.15, and there shall be no obvious deformation or damage that affects normal use.
4.19 Abnormal operation
The structure of the appliance shall, as far as practicable, eliminate the fire hazard, mechanical damage that impairs safety or electric shock protection caused by abnormal operation or misoperation.
4.20 Mechanical strength
4.20.1 Drop
The electric heater can be used normally after the free drop test, the appliance is not damaged and should meet the requirements of 4.17. 4.20.2 Shock
After the test of 5.20.2, the appliance can still be used normally and meet the requirements of 4.13.4.16, 4.18, 4.23. 4.21 Structure
The product should be a Class 1 electrical structure and meet the relevant requirements of Chapter 22 of GB 4706.1-1998. 4.22 Power connection and external flexible cord and plug 4.22.1 Power cord size
For electric heaters with power cord, the cross-sectional area of the wire should not be less than 0.5 mm2. The wire length is divided into two types: the length with reel is 1200mm~)500mm; the length without reel is 1500mm~2000mm. 4.22.2 Power cord
The power cord must meet the requirements of 25.7 in GR706.1-1998. 4.22.3 Power cord tension
The power cord should have a fixing device to prevent it from being pulled off the electric heater and can withstand 30N tension test 25 times. During the test, the power cord should not be damaged; after the test, the longitudinal displacement of the power cord shall not exceed 2mm, and the electrical clearance and creepage distance shall not be reduced to less than the values specified in 4.23.
4.22.4 Anti-bending of power cord
For electric heaters without ceramic coils, the anti-bending test of power cord shall be carried out. The power cord shall be placed at the entrance of the appliance and subjected to 1 bending test. After the test, the insulation shall not be damaged, the sheath shall not fall off, and the copper core wire shall not break more than 10 mm.
4.22.5 Plug
The plug shall be a non-reconnectable plug that complies with the provisions of GB1002 and GB2099.1. 4.23 Creepage distance and electrical clearance
The electrical clearance and creepage distance between live parts at different positions of the heater and between live parts and other metal parts shall comply with the provisions of Table 1.
Between colored parts with different potentials
Between live parts and other metal parts
5 Test methods
5.1 Application requirements
Check whether there is a registration or identification certificate for the use of the medicine. 5.2 Appearance, feel and size
5.2.1 Appearance
Inspect by feel and touch.
GE 18418- 2001
Electrical distance
Electrical distance
After heating for 1 hour, use the optical method and the film method to check at a distance of 250mm from the sample under normal light. 5.2.3 Core rod and external thread size
The diameter of the liquid wick is measured with a caliper: the external thread diameter of the liquid bottle is measured with a tool microscope or a special thread ring gauge. 5.3 Airtightness
5.3.1 Tighten the cap of the liquid bottle and place it on a flat surface and invert for 24 hours. Then place it flat for 2 hours and test it daily. 5.3.2 Assemble the electric liquid mosquito coil in normal working state. Tilt it at the most unfavorable inverted angle for 1 hour and test it daily. 5.4 Free fall
Tighten the cap of the liquid bottle and drop it on a hard ground from a height of 30 mm, three times from the bottom and three times from the side. 5.5 Consumption
Unscrew the cover of the liquid medicine bottle, and under the condition of (23±2)°C, use the product instructions and the electric heater until the cumulative power-on time reaches the time specified by the manufacturer, and measure its efficacy according to the requirements of 5.6. 5.6 Efficacy
Determination method is in Appendix C,
5.7 Net content
Open the stopper of the liquid medicine bottle, pour the medicine into a standard measuring tube or weigh it with a balance, and read the test value. 5.8 Effective component content
Determination method is shown in Appendix A and Appendix B, among which Appendix A is the arbitration method; for products that are not applicable to the standard effective component analysis method, the manufacturer shall provide the analysis method.
5.9 Thermal stability
Put the test sample in a constant temperature box at (51±2)°C for 4 days, and then measure its degradation rate according to the effective component content method. 5.9.1 The degradation rate is calculated according to formula (1): A (%) -\/\ × 100
Wherein: A—degradation rate;
The effective component content of the sample measured before heating; The effective component content of the sample measured after heat storage. 5.10 The electric heater T is used as the temperature (radiation temperature) end difference test condition, and is carried out in a test area with a temperature of (23℃), a relative humidity of no more than 60℃, and no external airflow. Instrument name: Electric liquid mosquito coil temperature meter. ++( 1
GB18418-2001
Instrument accuracy: +0.5°C (resolution not less than 0.1°C). Temperature measurement range: (0~200)°C.
Special probe: Special platinum resistance thermometer
Test steps:
A: Screw-type electric liquid mosquito coil
Screw the temperature measuring bottle (see Figure 1) into the electric liquid mosquito coil to be tested, turn the adjustment knob (5) to make the upper plane of the temperature measuring head (1) and the upper plane of the electric liquid mosquito coil heating coil at the same height (use a special baffle as shown in Figure 2), position it, and then swing the adjustment knob (5) to make the temperature measuring head in the electric liquid mosquito coil heating coil. Center, after adjustment, put it on the bracket plate, connect the temperature measuring head lead to the bracket terminal (3) 1 and tighten, connect the measuring instrument and the power supply of the electric heating liquid ant fragrance device to be tested, and turn on the switch, put the entire overflow measurement system into the test corner, fully heat for 1 hour, and read the temperature after stabilization. M24.5X2.6
Full temperature head 2 temperature measuring bottle + 3 bracket terminal; 4-bracket connection line: 5 adjustment button + 6 platinum resistance temperature meter lead: 7-bracket Figure 1
Thermometer bottle and bracket
Special baffle
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B: Tray type electric heating liquid ant fragrance device
GB 18418—2001
Open a hole in the center of the bottom of the tray, the size of the hole is about 25cm, and it is convenient to operate through the connecting wire and the adjustment button. The thermometer bottle uses a tray or a thermometer bottle, and the test method is the same as the screw-type. 5.11 Voltage fluctuation characteristics
In the test angle of the ambient temperature of (23±2)(, the relative siltation is not more than 60%, especially the external airflow, the voltage is adjusted at the rated voltage ±10% of the two electric original values and tested according to the requirements of 5.10. 5.12 Electric heater marking
Daily test.
5.13 Protection against touching live parts
According to the relevant requirements and methods of Chapter 8 of G3 4706-1—1998 5.14 Input power
According to G13 4706.1—1998 5.15 Heating
Apply 1.15 times the rated voltage and pass for 8h. Measure the temperature rise of the hand-held surface of the electric heater shell and the bottom of the electric heater shell. The test is carried out according to the force method required by Chapter 11 of GB4706.1-1998. 5.16 Leakage current
5.16.1 Leakage current at the operating temperature
According to the relevant method of Chapter 13 of GB 4706.1-1998, the test voltage is 1.06 times the rated value. 5.16.2 Tidal leakage current
According to the conditions and methods of 15.3 and 16.2 of GB 4706.1-1998. The test voltage is 1.6 times the rated value. 5.17 Electrical strength
5.17. 1 Cold electrical strength
Perform the test in accordance with the conditions and methods of 16.3 of GB4706.1-1998. The test current is 100n1A. 5.17.2 Electrical strength under working temperature
Perform the test in accordance with the methods of 13.3 of GB 706.1-1998. The test current is 10( mA. 5.17.3 Wet electrical strength
Perform the test in accordance with the conditions and methods of 15.3 and 16.3 of GB4706.1-1998. The test current is 100 mA. 5.18 Durability
Apply: 1,25 times the rated voltage, with a cycle of 25 min on and 5 min off; a total of 1000 cycles. 5.19 Abnormal operation
According to the method specified in 9.6 of GB/T 2123.8. 5.20 Mechanical strength
5.20.1 Drop test According to the method specified in GB/T 2123.8, the height is 500 m, and the number of front and side drops is two times each. 5.20.2 Impact test According to the force method specified in GB4706.1-1998 Chapter 21. 5.21 Structure
According to the method specified in GB4706.1-1998 Chapter 22. 5.22 Power connection and external soft wire, plug 5.22. 1. The size of the power cord
The length is measured with a steel tape measure, and the cross-sectional area of the power cord is measured with an outside micrometer. 5.22.2 The power cord
is tested according to the relevant methods in 25.7 of GB4706.1-1998. 5.22.3 The tension of the power cord
is tested according to 25.15 of GB47C6.1-1958. 715
5.22.4 The bending resistance of the power cord
GB 18418
is tested according to 25.14 of GB4706.11998. 5.22.5 The plug
is tested according to GR 1002 and GR2099.1. 5-23 The creepage distance and electrical clearance
are tested with a caliper (accuracy 0. 02 mrm) for measurement 6 Inspection rules
6.1 Products must be inspected and qualified by the production quality inspection department according to this standard before they can leave the factory, and they must be accompanied by instructions for use and inspection certificates. 6.2 Inspection is divided into factory inspection and type inspection. 6.2.1 Factory inspection
All products put forward for delivery shall be subject to factory inspection. 6.2.1.1 Factory inspection of liquid medicine and liquid bottle parts Factory inspection adopts the normal inspection one-time sampling plan of GB/T 2828 special inspection water semi-S-2, and the qualified quality level is AQL Value, Class A is 1.0, Class B is 6.5, Class C is [0, factory inspection items and unqualified classification are shown in Table 2. Table 2
Inspection items
Appearance, sensory and size
Sealing
Net content
6.2.1.2 Factory inspection of heaters
Technical requirements
Test method
Unqualified points
Factory inspection adopts GB/T 2828 special inspection level S-2 l: regular inspection one-time sampling plan, qualified quality level AQL value, Class A is 1.0, Class B is G.5, C The category is 10. The inspection items and the classification of unqualified items are shown in Table 3. Table 3
Inspection items
Electric heater working temperature and differential
Electrical strength
6.2.2 Type inspection
6.2.2.1 Type inspection or test shall be carried out in case of any of the following situations, technical requirements clauses
4.2.1;4.2.2;
4.23;1.2. 4
a) Trial design and identification of new products or old products transferred to the factory for production: test method clause
b) After stopping production: if there are major changes in structure, materials, and processes that may affect product performance; c) During normal production, sample inspection of approved products shall be carried out at least once a year: l) After the product has been discontinued for more than half a year and is resumed: -) When the test results are significantly different from the previous prototype or inspection; f) When the national quality temporary inspection agency requires type inspection, 6.2.2.2 Type inspection of liquid medicine part
Classification of non-conformity
Type inspection adopts the single sampling plan of GB/T2829 discrimination level I. The inspection items, non-conforming quality level RQL value, sample size and judgment array are shown in Table 4. If one non-conformity occurs in the type inspection, it shall be comprehensively judged as non-conformity. 720
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Medicine requirements
Appearance, texture and size
Sealing
Free fall
Consumption test
Net content
Effective separation and combination
Thermal stability
6.2.2.3 Type inspection of heater part
GB184182001
Technical qualified classification
Sample size
No drug registration or identification certificate, then, judged as unqualified 3
National simplified method I50min judged as unqualified
Square box method KT50>7mi n is judged as unqualified
Exceeds the value indicated on the packaging by ±1:1: Degradation rate is judged as unqualified:
Pyrethroids>5% is judged as unqualified
Others>10% is judged as unqualified
Judgment array
Type inspection adopts the sampling plan of GB/T2829 judgment level 1. The inspection items, unqualified quality level RQI. value, and sample size are put in the judgment array called Table 5 and Table 6. If one item is unqualified in the type inspection, it is comprehensively judged as unqualified (safety performance indicators should be carried out on one appliance. This appliance should undergo all relevant tests. The tests of 114.21 and 1.22 can be carried out on another separate sample). Table 5 Inspection items Standards for electric heaters Protection against touching live parts Power leakage Electric strength Abnormal operation Mechanical strength Power connection and external cord, plug Climbing distance and air space Inspection items Electric heater 1. Operating temperature and deviation Voltage fluctuation characteristics Durability Sample size Sample size
Judgment array
Judgment array
7 Marking, packaging, transportation, storage and use instructions 7.1 Marking
7.1.1 The product packaging box should have the following Chinese content: a) Product name, trademark, factory name, factory address; b) Net content and active ingredients and content of the drug solution; c) Product standard number;
GB18418-2001
d) Production date and shelf life or production batch number and expiration date: e) Product quality inspection certificate;
f) Specifications and quantity.
7.1.2 The product packaging box should have the following Chinese content: a) Pictorial mark:
h) Product name and specifications;
c) Quantity;
d) Gross weight (kg):
e) Production date and shelf life or production batch number and expiration date: f) Manufacturer's name and address:
g) Overall dimensions: length × width × height (cm). 7.2 Packaging
Product packaging must be firm, without damage, moisture-proof and lightning-proof. 7.3 Transportation
Products should be handled with care to prevent violent movement, sun exposure, rain and heavy pressure. 7.4 Storage
The product should be stored in a cool, dry and ventilated warehouse. It should not be mixed with flammable and explosive materials. Under the above conditions, the shelf life of the product is not less than two years.bzxz.net
7.5 Instructions
The instructions for use of the product should comply with the requirements of GB5296.1 and CB5296.2722
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A1 Identification test
GB18418--2001
Appendix A
(Standard record)
Determination method of effective ingredients in electric liquid mosquito coils (I) This identification test can be carried out simultaneously with the determination of the base content of the common name of the effective ingredient. Under the same chromatographic operating conditions, the relative difference between the retention time of a chromatographic peak of the sample solution and the retention time of the standard solution (common name of the effective ingredient) should be within 1% to 5%. A2 Method Summary
Samples are separated and determined by gas chromatography on SE-54 capillary columns with phthalic acid as internal standard. A2.1 Instruments
A2.1.1 Gas chromatograph: with hydrogen flame ionization detector, A2.1.2 Chromatographic column: 0.25mm×30m, SE-54 capillary column. A2.1.3 Micro syringe, 1.0uL.
A2.1.4 Weighing bottle: 15ml.,
A2.1.5 Balance: graduation value is 0.1mg. A2.1.6 Dropper with rubber tip.
A2.2 Reagents
A2.2.1 Internal standard: dibutyl phthalate, without interfering impurities A2.2.2 Solvent: acetone (analytical grade). A2.2.3 Standards: Allethrin, Propylene Glycol, etc. A2.3 Gas Chromatography Conditions
A2.3.1 Temperature
A2.3.1.1 Column temperature: 220C
A2.3.1.2 Vaporization temperature: 250
42.3.1.3 Detector temperature: 250C.
A2. 3. 2 Gas flow rate (kg/cm2),
A2.3.2.1 Carrier gas: nitrogen 1.0,
A2. 3. 2. 2 Fuel gas: hydrogen 0. 6. A2. 3.2.3 Fuel-supporting gas: air 0.5.
The above operating conditions are typical operating parameters. According to the characteristics of different instruments, the given operating conditions can be appropriately adjusted to obtain the best effect.
Preparation of A3 standard solution
: Accurately weigh about 0.03 to 0.04g (accurate to 0.0002g) of the standard sample corresponding to the sample to be tested in a 15rmJ weighing bottle, and then weigh phthalic acid Butyl formate 0.015g~0.025g (accurate to 0.0002g). Add 5ml acetone solution. After fully dissolved, close the bottle and mix well. Put it in the refrigerator for use. A4 Preparation of sample solution
A4.1 Pre-buried sample
In a 15mL weighing bottle, accurately weigh the electric hot liquid mosquito coil liquid No. 1~4 to be analyzed (accurate to (0.0002g, estimated to be 723
GB 18418—2001
The content of the ingredients is about 0.03g~0.04g), and then weigh 0.015~0.025g of dibutyl phthalate (accurate to 0.0002g). Close the hook and wait for analysis.
A5 Determination
After the instrument is stable under the chromatographic conditions of A2.3, continuously inject the standard solution and sample bath solution with a micro syringe, calculate the peak area ratio of the sample (standard sample) to the internal standard in the chromatogram of each needle, and the peak area ratio of the adjacent two needles is basically parallel and stable. According to the above conditions, perform gas phase Chromatographic analysis,
A6 calculation
Average the measured sample peak to internal standard peak area ratios in the two sample drops and the two internal standard peaks to standard sample peak area ratios in the standard drop, and then calculate the content Mx of the component to be measured by connecting formula (A1) and formula (A2). Correction factor:
The content of the component to be measured;
In the formula, A}
f=AXmi/mXCstandard
Mx(%)-.fXm1/m:XA,×100
The surface area ratio of the sample peak to the internal standard peak in the sample solution The average value of the area ratio, the average value of the area ratio of the internal standard peak to the standard peak in the standard solution; the mass of the internal standard in the sample solution, g;
the mass of the internal standard in the standard solution·g!
the mass of the sample in the sample solution, name:
the mass of the standard substance in the standard solution:
the content of the standard substance, final.
Appendix B
(Standard Record)
Determination of the effective ingredients of electric hot liquid mosquito coils (II) B1 Identification test
(A1)
( A2)
This identification test can be carried out simultaneously with the determination of the content of the common name of the active ingredient. Under the same chromatographic operating conditions, the relative difference between the retention time of a chromatographic peak of the sample solution and the retention time of the standard solution (common name of the active ingredient) should be within 1% to 5%. B2 Method Summary
The sample uses butyl phthalate as the internal standard and is separated and determined by gas chromatography on a column filled with 5% SF3. B2.1 Instrument
B2.1.1 Gas chromatograph: with a hydrogen fusion detector. B2.1.2 Chromatographic column: Φ3mm×2m, filled with 5% SE-30 coated with standard ChromosrbAWDmcs80100 on a chromatographic carrier in a glass holder or stainless steel holder.
B2.1.3 Microsyringe: 10 pl.
B2.1.4 Weighing bottle: 15 mL
B2.1.5 Balance: Graduation value is (1.1 mg. B2.1.6 Dropper with rubber tip.
B2.2 Reagents
B2:2.1 Internal standard dibutyl phthalate, free of + disturbing impurities.724
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