Some standard content:
TCS±65.100
Chemical Industry Standard of the People's Republic of China
(2000)
Published on 2000-06-05
Implemented on 200103-01
Published by the State Administration of Petroleum and Chemical Industry
Record No.: 7484:2000
HC3284--2000
This standard is collected in accordance with the United Nations Food Table Group (FA()) Table Drug Specification 1%/E(:/S(188>Ma Control Magnetic Phosphorus Emulsion-Chemical Industry Standard H:3384-1S79 Mala Emulsion. Technical Standard and 1HG 3284 1979 The main changes and differences are: - the determination of active ingredient content has been changed from thin layer salt colorimetric method to less than or equal to 0.5%; the International Council for the Analysis of Pesticides (CIP) core method - gas chromatography has been adopted; - the acidity index has been changed from less than or equal to 0.30% to less than or equal to 0.5%; the emulsion stability multiple has been changed from C times to 2W times; low temperature running qualitative test and hot storage blanket qualitative test control items have been added; the warranty period has been determined. From the date of implementation, the standard is recommended to be HG32841379. This standard is issued by the former Ministry of Chemical Industry of the People's Republic of China. This standard was proposed by the Shenyang Institute of Chemical Minerals. The responsible drafting unit of this standard is Shenyang Institute of Chemical Minerals. The participating units of the standard are Ningpaisheng Chemical Group Co., Ltd., Dezhou Yedong Chemical Co., Ltd. The main drafters of this standard are Gao Xiaoting, Guan Yankun, Nu Guangchuan, and Zhang Sannan: This standard was first issued on October 1, 1579. This is the first sample order. This standard was funded by the National Pesticide Standardization and Technical Committee, and the Chemical Industry Standard of the People's Republic of China
45% Malathion EC
4s%: Malathion emulsifiable concentrate Other names of the active ingredient malathion in this product. The formula and chemical data are as follows: 1S Common name: Male.thien
CIPAC number: 12
Chemical name; 1S1.2: ethyl distillate! Ethyl ester formula:
Empirical formula. CH.O,PS
CHOOGH
The mass ratio is based on the international relative mass) and the activity is insecticidal, relative density (single 1:1.23
new rate (): 1995
decomposed in water 145mel 115seven), with two ketones, Many series of mixed melts such as monochloroethane H3284-20D
and HC339-175
can be qualitatively dissolved in slightly acidic medium, and can not be separated from slightly toxic pesticides in fresh medium. It is corrosive to iron. 1 Model diagram
This standard also specifies the overall test method and marking of Malathion oil. The standard is used for 45% Malathion emulsifiable concentrate, which can be used in combination with appropriate pesticides and emulsifiers.
2 Cited standards
The following standards contain the provisions that constitute the provisions of this standard through reference in this standard: When this standard was published, all versions were valid. The possibility of resuming the use of the latest version of this standard should be discussed as soon as possible. GR601-1S88 Titration analysis of chemical reagents (quantity analysis) B/T6U-157 (1389) Method for determination of moisture content in pesticides GB/T1604-1995 Rules for registration of pesticides GB/T105-1S79 (9) Method for collecting pesticides for commercial use GB4838198: Packaging of emulsions
3 Requirements
3.1 Appearance: The liquid can be first purified and precipitated. Approved by the State Administration of Petroleum and Chemical Industry 7000·05-05 2C01-03-01 for implementation
3.24 Yuanmara reading of emulsions should meet the requirements of Table 1, HG 3284:2000
Table 145% phosphorus emulsion lubrication control items daily index
Ma La research reduction, maximum
temperature (with H, S+)K
pore energy transfer is (accurate intake 200 times)bzxZ.net
Quality qualitative
Heat error qualitative
Under the above conditions, the qualitative test should be repeated at least once every month, 4 test methods
4-1 Sampling
According to GB/=160519!1!)\emulsion The sampling of liquid state is carried out by "force method". The final amount of sample is determined by random number table method.
1.2 Identification test
4.2.1 Related operation: This identification test is carried out simultaneously with the determination of the content of the whole tank. Under the same chromatographic conditions, the retention time of the chromatographic frame of the test liquid and the retention time of the peak of the standard phosphatidylcholine are within 1.5% of the relative retention time. 4-2.2 When there is doubt about the identification of the active ingredient by the above method, any other effective method can be used for identification. 1.3 Determination of Malathion Content 4.3.1 In the test method, use lindane as the standard and use a glass or stainless steel detector with O-hurwP (-) as the block to separate and determine the malathion in the sample by gas chromatography. 4.3.2 Reagents and Liquids Standard sample: 1. The content of lindane is known, and the content of lindane is 8.\%. Internal standard: Huaichuan. Impurities to be analyzed: Determine the concentration of I.
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Standard liquid: weigh 13.08g of Linchuan: 6C: mT. Dissolve in appropriate amount of acetone, and dilute with acetone to several degrees, dig a spoon. 4.3.3 Apparatus: Set up a gas and chromatograph, a chromatographic digital analyzer with a hydrogen flame ionization detector,
Chromatographic evaluation: 1. 0mxa.2mntid) joint end society non-frequency steel fence. Machine. System filling, V-1C coated micro-fixed pool on hraGs0rbW-H (180--253m): (surface fixing liquid-carrier: 311 (mass ratio::
4.3.4 chromatography industry measurement dad
4.3.4.1: the fixing liquid
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4.3.4.2 chromatographic support grams filled
HG3284—2000
· Xiaoman bucket pressed to the washed "dry chromatographic injection At the entrance, fill the prepared filling medicine into the column in batches. Keep gently until 1.5 (0.6 m) away from the entrance of the column. Plug a small ball of the filling material at the entrance end, connect the rubber tube to the vacuum case, and open the vacuum flow, continue to add the filling material, and keep gently to make the filling rate uniform. After the filling is completed, a small amount of cotton is also applied at the entrance end, and it is properly pressed to keep the column filled. 4.3.4.3 Aging of the chromatograph
Connect the chromatographic inlet and outlet belts to the vaporizer, without connecting the two ends to the detection end, and introduce carrier gas (V) at a flow rate of 15 L/m, gradually increasing to 36 °C. Aging under this flow rate for 36 h
4.3.5 Conditions for gas chromatography
Temperature: (column chamber 75 °C, vaporizer chamber 20 °C, detector chamber 200 °C, gas flow rate ml./min ): carrier gas), hydrogen 50. air 539. sample 0.
maintenance time (min), particle size N.!, internal standard potential. The above-mentioned reference is typical, and the given state number can be appropriately adjusted according to the position of the device to obtain the best effect. The typical 45-molecular phosphorus oil gas chromatogram is shown in 1, 1 drop agent 13-pull
Figure 145-molecular phosphorus wheel continent gas chromatogram
Step 4.3.6.1 Preparation of standard sample
The standard sample should be collected by filtration and the internal standard liquid should be pipetted into a bottle with an accuracy of 0.1% (0.1% accuracy).
4-3.E.2 Preparation of sample drop solution
The new 0.1% single-strand glassware (accurate to 0.02) is used in a laboratory glassware version 4.36. : m[. Internal standard solution, probe]
4.3-6.3 Determination
H3284-200C
Under the above operating conditions, after the baseline of the instrument is solid, continuously inject several needles of standard sample solution, calculate the repeatability of the relative response of each needle, and obtain the relative value of two adjacent needles. When the change is small, the determination is carried out in the order of standard solution, sample solution, sample solution, standard solution.
4.3.7. The ratio of the peak area of the two test sample drops and the peak area of the two standard samples before and after the test is averaged and expressed as the content of phosphorus in the sample (Formula: X
Formula: The mass fraction of phosphorus in the standard sample and the internal standard is measured. The mass fraction of phosphorus in the standard sample is 4.3.8. The difference between the parallel determination stations is greater than 1.0. The average value is calculated as the result. 4.4 Determination of moisture content 4.4.1 Determination method: The determination method of Karl-Heinz-Kirchner (1970) is adopted. It is allowed to use a micro-moisture meter with equivalent precision for determination. 4.4.2 The sum of the two parallel determinations should not differ by more than 10%. The arithmetic half-mean is taken as the determination result. 4.5 Determination of acidity 4.5.1 and 95% 2, the acidity indicator wave is: 1 2 ... n4g
The actual concentration of sodium hydroxide solution, mol/L! The volume of the standard sodium hydroxide solution consumed by the test sample, ml.: The volume of the standard sodium hydroxide solution consumed by the test sample: The mass of the sample ·
The mass of the standard sodium hydroxide solution expressed in grams equivalent to 1.ml of standard titration reaction [(a()H1=1.C3mol/mol/mol].
4.5.3 The deviation of the two half-test results should be greater than 115%, and the arithmetic mean is taken as the reading result. 1
4.6 Qualitative test of emulsion
11G3284200
According to CB/T15)3. No floating oil on the top and no sinking or resistance is qualified. 4.7 Low temperature stability test
4.7.1 Method summary
The sample is kept at CC for 1h: record whether there is solid or oily precipitation. 4.7.2 Instruments and equipment
Refrigerator: maintain (0±1) ℃:
4.7.3 Test steps
About 50% of the sample is added to a 10mL filter cup, cooled in a refrigerator to (0±1> ℃, let the beaker and its contents be kept at (0±1) ℃ for 3h, stir once every 15min, each time for 155, check and record whether there is solid or oily precipitation, if there is precipitation, it is qualified.
4.8 Hot storage qualitative test
4.8.1 Instruments and equipment
Thermostatic box: The temperature of the box is ±2°C.
Ampoule: The capacity is about FGmI, and the sample is 100 mL.
Syringe: 55 mL
Use a syringe to draw 30 L of sample, and inject it into the clean ampoule (Note! Do not allow the sample to contact with the ampoule nitrogen). Place the ampoule in an ice bath towel, and use a gas lamp to control it (Note! Try to avoid deep evaporation). For at least two seconds, put the sealed ampoule into a metal container, and place it in a 1<5°C incubator for 144. After taking the ampoule out of the incubator, the effective or sub-content test should be completed within 241: After heating, the effective component content should not be less than that of the hot storage 4.9 Inspection and acceptance of products shall comply with the provisions of (T:15/T:160). When the limit value is found, the static drug value comparison method shall be used. 5 Marking, labeling, packaging, transportation 5.1 The marking, labeling and packaging of malathion emulsifiable concentrate shall comply with the provisions of (B4R38). 5-2 Malathion emulsifiable concentrate shall be packaged in glass with inner and outer seals. The net content is 250 g. The outer packaging shall be in cardboard boxes or plastic boxes. Each box shall not exceed 15 kg. 5.3 According to the use If the user requires a design agreement, other forms of installation can be used, but they must comply with B and 4535 regulations. 5.4 The package should be placed in a ventilated and dry environment at night. 5.5 During operation, it should be kept away from moisture and mouth. It must not come into contact with food, insects, and other substances. Avoid contact with skin and eyes to prevent insects from inhaling it. 5.6 Safety: Maloxaline is a low-toxic organophosphorus hemocidal and wax-killing agent. It is toxic to bees when it is sprayed or inhaled. It is highly toxic to bees and irritating to eyes and skin. Therefore, protective gloves should be worn when using this product. When spraying, it should be carried out in the direction of the wind to prevent it from entering through the mouth and nose. , After contact with this product, the skin and other parts of the body should be washed with soap and water. And seek medical treatment in time. Atropine and antidote are effective antidotes. 5.7 Warranty period The factory of Malasuitu Emulsion Oil should meet the requirements of 3.2 of this standard. Under the specified transportation conditions, the warranty period of the product is two days from the date of delivery. Within one year after delivery, the phosphorus content of Malasuitu Emulsion Oil should not be less than 44%, and within one to two years, the phosphorus content should not be less than 43.5%. The other technical indicators should meet the requirements of this standard: 151. Instruments and equipment
Thermostatic box: the temperature is ±2°C.
Anti-acid part: the capacity is about 150mL, with a syringe.
Syringe: 55mL
Use a syringe to draw 30L of test mixture, inject clean anhydride (note! Do not allow the sample to contact the anhydride), put the anhydride in an ice bath towel, use a gas lamp to control it (note! Try to avoid deep evaporation), at least two times, put the sealed anhydride into a metal container, put it in a 1<52) incubator, and store it for 144. After taking out the ampoule from the incubator, the effective or sub-disk test should be completed within 241: after heating, the effective ingredient content should not be less than that of the hot storage 4.9 Inspection and acceptance of products shall comply with the provisions of (T:15/T:160). When the limit value is found, the static drug value comparison method shall be used. 5 Marking, labeling, packaging, transportation 5.1 The marking, labeling and packaging of malathion emulsifiable concentrate shall comply with the provisions of (B4R38). 5-2 Malathion emulsifiable concentrate shall be packaged in glass with inner and outer seals. The net content is 250 g. The outer packaging shall be in cardboard boxes or plastic boxes. Each box shall not exceed 15 kg. 5.3 According to the use If the user requires a design agreement, other forms of installation can be used, but they must comply with B and 4535 regulations. 5.4 The package should be placed in a ventilated and dry environment at night. 5.5 During operation, it should be kept away from moisture and mouth. It must not come into contact with food, insects, and other substances. Avoid contact with skin and eyes to prevent insects from inhaling it. 5.6 Safety: Maloxaline is a low-toxic organophosphorus hemocidal and wax-killing agent. It is toxic to bees when it is sprayed or inhaled. It is highly toxic to bees and irritating to eyes and skin. Therefore, protective gloves should be worn when using this product. When spraying, it should be carried out in the direction of the wind to prevent it from entering through the mouth and nose. , After contact with this product on the skin or other parts of the body, wash with soap and water immediately. See a doctor for treatment immediately. Atropine and antidote are effective antidotes. 5.7 Warranty period The manufacturer of Malasuitu Emulsion Oil shall comply with the requirements of 3.2 of this standard. Under the specified transportation conditions, the warranty period of the product is two days from the date of delivery. Within one year after delivery, the phosphorus content of Malasuitu Emulsion Oil shall not be less than 44%, and within one to two years, the phosphorus content shall not be less than 43.5%. The other technical indicators shall comply with this standard: 151. Instruments and equipment
Thermostatic box: the temperature is ±2°C.
Anti-acid part: the capacity is about 150mL, with a syringe.
Syringe: 55mL
Use a syringe to draw 30L of test mixture, inject clean anhydride (note! Do not allow the sample to contact the anhydride), put the anhydride in an ice bath towel, use a gas lamp to control it (note! Try to avoid deep evaporation), at least two times, put the sealed anhydride into a metal container, put it in a 1<52) incubator, and store it for 144. After taking out the ampoule from the incubator, the effective or sub-disk test should be completed within 241: after heating, the effective ingredient content should not be less than that of the hot storage 4.9 Inspection and acceptance of products shall comply with the provisions of (T:15/T:160). When the limit value is found, the static drug value comparison method shall be used. 5 Marking, labeling, packaging, transportation 5.1 The marking, labeling and packaging of malathion emulsifiable concentrate shall comply with the provisions of (B4R38). 5-2 Malathion emulsifiable concentrate shall be packaged in glass with inner and outer seals. The net content is 250 g. The outer packaging shall be in cardboard boxes or plastic boxes. Each box shall not exceed 15 kg. 5.3 According to the use If the user requires a design agreement, other forms of installation can be used, but they must comply with B and 4535 regulations. 5.4 The package should be placed in a ventilated and dry environment at night. 5.5 During operation, it should be kept away from moisture and mouth. It must not come into contact with food, insects, and other substances. Avoid contact with skin and eyes to prevent insects from inhaling it. 5.6 Safety: Maloxaline is a low-toxic organophosphorus hemocidal and wax-killing agent. It is toxic to bees when it is sprayed or inhaled. It is highly toxic to bees and irritating to eyes and skin. Therefore, protective gloves should be worn when using this product. When spraying, it should be carried out in the direction of the wind to prevent it from entering through the mouth and nose. , After contact with this product, the skin and other parts of the body should be washed with soap and water. And seek medical treatment in time. Atropine and antidote are effective antidotes. 5.7 Warranty period The factory of Malasuitu Emulsion Oil should meet the requirements of 3.2 of this standard. Under the specified transportation conditions, the warranty period of the product is two days from the date of delivery. Within one year after delivery, the phosphorus content of Malasuitu Emulsion Oil should not be less than 44%, and within one to two years, the phosphorus content should not be less than 43.5%. The other technical indicators should meet the requirements of this standard: 15
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