This standard specifies the determination method of antimony content in zinc concentrate. This standard is applicable to the determination of antimony content in zinc concentrate. Determination range: 0.0050% to 0.20%. GB/T 8151.11-2000 Chemical analysis method for zinc concentrate Determination of antimony content GB/T8151.11-2000 Standard download decompression password: www.bzxz.net

TCS 73.060
National Standard of the People's Republic of China
GB/T8151.112000
Methods for chemical analysis of zinc concentrate
Determination of antimony content
concentrates-eterminationnfantirmonyconttnt2000-02-16issued
2000-08-01implemented
National Condensation Quality and Technical Supervision Bureauissued
FR/78151.11—2000
This standard contains two types of chemical analysis methods for the determination of zinc concentrates, namely, the "hydride generation-fluorescence method for the determination of potassium content" and the "fluorescence spectrophotometric method, which are currently not available in the industry. The original method "chemical analysis of zinc ore by hydride generation-ion emission spectrophotometry" is applicable to the determination of potassium hydride content. The "fluorescence spectrophotometric method" is applicable to the determination of potassium hydride content. The "fluorescence spectrophotometric method" is applicable to the determination of potassium hydride content. The "fluorescence spectrophotometric method" is applicable to the determination of potassium hydride content. BT1.41 Chemical analysis method for metallurgical products GBT7739-17 Chemical analysis method for metallurgical products GBT1743-1558 Chemical analysis method for metallurgical products This standard replaces GBT51.11-198 from the date of implementation. The appendix of this standard is the recommended standard. This standard is issued by the metallurgical industry. This standard was drafted by the China Nonferrous Metals Industry Standards and Quality Research Institute. This standard was drafted by the former Lupanfeng Factory. The main drafters of this standard method are Wang Zuo and Zhao Yongjuan. The main drafters are Wang Guangju and Sun Chaoqi. It is written. 1 Scope
National Standard of the People's Republic of China
Chemical analysis method of zinc concentrate
Determination of antimony content
Metheds for chemical analysis of zinc cuncentralcsnelerminalicn of anti-nknycontcntGR/T E151.11—2000
Generation G: 5151. 1: -1937
Method 1 Determination ...
3.2 (e1.42/ml)
2.3 Hydrochloric acid (1.g/m:
3.4 ​​Hydrochloric acid (1-1).
3.5 Hydrochloric acid (1 9)
3.5 Original anti-blood acid solution (5) 1.0/L), prepared on the same day 3. Li Dan chemical () g/): weigh U Li chemical rivet roll solution in 5M hydroxide egg solution 5/household, prepare.
3.9 Sieve standard purchase liquid: weigh 0.1000 gold partial pot (99.9%) dry 300 normal calcined ring. Move 20L tolerance (more than 2), 4 elimination (3.1), low temperature Yi Qi Lian, and get to nearly flat, lower. Cool, add 50ml. On the loading (3.1), heating, the atmosphere is full of nitrogen oxides, removed, cooled: dilute with hydrochloric acid to 100. This wave contains 3.9 standard sodium hydroxide solution (3.) weighed 10ml. Standard solution (3.) 33ml. Add acid (.1) to a volumetric flask, mix in air. This tower liquid contains 2 1m.
4 only
atomic fluorescence light, special high-intensity hollow cathode lamp. Under the working conditions of the instrument, any atomic fluorescence light that can reach the following standards can be used for detection: not more than /.
National Quality Supervision Bureau 2C0-02-16 approved 2000-08-01 implementation
CB/T8151.11-2CCC
precision standard line in the quantity of commercial Chen standard active rolling filter fluorescence welcome treasure and "safe" law capital flow Zhang Guang sing must protect the call of the quality of the danger according to the Bin performance filter loss of Asia theory pregnancy mean value of the coefficient of variation: should be not more than 5, heart and 1, heart, according to the actual requirements \concentration said reduced to do tax will Han (,) work linearity: will work line verification record more division establishment stock: the difference between the high section of the intensity of the light and the low section of the fluorescence gradient should be less than .30
according to the work of the spare parts see Appendix A (pre-recorded). 5 test sample
5.1 details of the product should be covered by the luurm hole sieve. 5.2 Pre-heat the sample in a desiccator at 10-1 °C and cool to room temperature. 6. Analysis Steps 6.1 Sample Add 1% sample to the sample, 0.2291% ts/cm3. ts/cm3, 0.5% ts/cm3, 1u/cm3. 20% total volume of the solution and perform a second determination immediately. Collect the half-mean value E,2% of the sample and perform a micro-vacuum test. E.3 Determine the volume of the sample solution to a sufficient volume and add 1% sodium bicarbonate. E.3.1 Add the sample (6.1) to 200 L of boiling water and add 0. 6.2.2 Mix the test wave (6.3.1) according to Table 1 and add ascorbic acid to the liquid plate and cover with water until the liquid drops. Mix until the volume reaches about ?ml. Remove the cold and cool. Dissolve 2ml of salt solution 3.), 1cm. Original anti-aldehyde solution with water and rinse the cup. Low temperature intention 5, take a small cold and adjust: adjust the rate of the material to 1/2 cup, sieve it with water and mix it until the volume reaches about ?ml. Remove the cold and cool. Dissolve 2ml of salt solution 3.), 1cm. Original anti-aldehyde solution with water and rinse the cup. Low temperature intention 5, take a small cold and adjust: adjust the rate of the material to 1/2 cup, sieve it with water and mix it until the volume reaches about ?ml. Remove the cold and cool. Dissolve 2ml of salt solution with water and rinse the cup. Low temperature intention 5, take a small cold and adjust: adjust the rate of the material to 1/2 cup, sieve it with water and mix it until the liquid drops. 6.2.2 Mix the test wave (6.3.1) according to Table 1 and add ascorbic acid to the liquid plate and cover with water and cover with ascorbic acid to the liquid plate. Mix until the volume drops. Pass the sample into the cup. 6.3.3 On the original fluorescent light, use hydrochloric acid (3.5) as the flow path, borohydride solution as the original reagent, and the blank of the same sample as the reference: the light intensity can be obtained from the working line. 6.4 Final preparation 6.4.1 Transfer 0,100.2.02,00,6.00,8.33.1CL standard to 20CmI respectively. Add 25M low-antioxidant acid in a simmering rod and boil for 5m. Remove and cool to room temperature. Put into a volumetric flask, add this sieve until the concentration changes, mix about, 5.4.2 Under the same conditions as the test sample, use salt limit 3.5) as the carrier, and compare with the test blank to determine the intensity of the standard solution. With concentration as coordinate and intensity as pseudo-coordinate, draw the working curve. 7 Expression of analysis results:
According to the formula: Percent content,
- .V,x10-
GB/T 8151.11-2CCD
The liquid produced on the upper working line, mT; Total external density of the test solution, mT.
The composition of the test solution:
The determination of the composition, InL:
The mass basis of the test sample, :
The results are expressed with two decimal places: It is recommended to express the composition with one decimal place when the content is 0, 10%, and 3.0% as the decimal place.
8 Make allowance for the experimental results. The results should not be expressed as required. Table 2
0.005 c.~3.515
-u.ulo.-c.c2e
2J. u2uG.C5c
3. 052 ~. 1U
>2.150.2u
Method 2 Determination of antimony mother 9 by malachite green spectrophotometry Range
This standard specifies the method for determining the monohydrate content in zinc ore. This standard is applicable to the determination of the content of nitrate in concentrate. Range: 0.010%--0.10%--10% Method: Extraction of sample: acid, acid solution: in hydrochloric acid (71mA). Use nitrate as reducing agent: nitrate as oxidizing agent, use nitrate to remove excess nitrate: dilute hydrochloric acid to reduce nitrate green: dilute hydrochloric acid to color nitrate green, use malachite green to color this colored complex, and measure the absorbance at the wavelength of 11 with a spectrometer. Reagent: stir with water until the acid is reached. Acid (+1) Sulfuric acid (_[1), hydrochloric acid (7+5) Oxidized nitrate solution more/[) with salt age (3.) and only use nitrite within two weeks. Put it in a brown bottle.
Urine solution 200/L)
Energy green solution 5 standard version
Porous green solution: take 1nml. Nitrite (:1) and dilute to 306ml. Mix until mixed. Prepare on the same day, 11.10
11.11 Standard stock solution: weigh C. 1003g gold 99.% in a 203L cup, add 20ml. Fluid ton (pl.84g/ml.). After hot decomposition, cool the liquid, m salt (11,5) drop rate salt, put it in a 1000mL volumetric flask, dilute to the scale with thiocarbamide (_1.5) GB/18151.11--2CC5
. This method reduces [ml. n.1 mg. 11.12 Standard solution: Transfer 32 ml of 1°C stock solution (11.11) into a 200-mL volumetric flask. Use an external slow cooker (11.5) to wet 1 ml of this solution. Contain 5% 12% standard solution. Instrument: Spectrophotometer: 13 Preparation of standard solution: 13.1 Sample mixture is allowed to stand for 1 min.
13.2 The sample must first be cooled to room temperature in a desiccator at 1G55Y for 1h. 14 Analysis Steps
14.1 Sample
Check Table 3 Weigh the sample with an accuracy of 0.0nn16.3
Glycerin content%
G.CIC --0. 0S0
>332--0.050
20. 030 --c. 130
Carry out two independent determinations and take the average value. 14.2 Blank test
Do a blank test with the returned sample.
14.3 Determination of the cumulative D!
14.3.1 Add 100 m3 of the material (14.1 bone) to 1 cm3 of the hot acid solution and add 5% sulfuric acid, heat to a temperature of about 1 ℃, remove and cool: add 1% hydrochloric acid and warm to room temperature, remove the salt according to the requirements of Table 1 and send it to the container, and dilute it with hydrochloric acid to the scale, mix, 14.3.2 Transfer 10.00% of the solution to 130 °C of the dry solution and add the system solution dropwise under stirring until the color is extinct and the excess is removed. |tt||14.3.3 Add 2mL of molten nitrite and 1mL of sodium nitrite. Place the solution in a 125mL beaker and rinse with 1L of sodium nitrite. Wash the solution in a separatory funnel and leave 20mL of bubbles. After 1-5min separation, remove the water. Put the remaining liquid in the funnel and avoid light moisture. After 2-3min separation, turn it over twice. Put the remaining liquid in the machine and dry it for 1mL. 14.3.4 Use the blank solution of the same sample as the reference and spectrally separate it. The photometer measures the absorbance at 540r. The corresponding sequence is obtained from the T curve. 14.4 Drawing of the working curve: Take 0, 1.00, 0.00, 2, cc4, 90, 5m. 10ml of the standard paint is added to the dye cup with salt formaldehyde to make it 101ml. Add 5 drops of chlorinated acetonitrile and proceed as per 14.3.3. Collect the reagent blank as the reference, observe its absorbance, use the spherical yellow coordinate, divide the absorbance into steps, and prepare the whole process. 15 Expression of the analysis result: According to formula (1) Calculate the percentage of chlorinated substances:
G3/TR151,11--2300
Work out or get the end of the industry,
The total five
diagnosis and test solution description, ml-
M" "Test quality:
Newly obtained firewood is expressed to the decimal place. If the sieve contains less than 0.1G%, the difference between the three small effective laboratories is less than the allowable difference listed in Table 1.
0,0.0c.c2c
>0. 020 ~0,033
-0.c5c~5. :0
t, c3?
/T g:st.ii200
Appendix A
「Appendix of the extreme display
device working conditions
AFS-3201 atomic flame spectrometer only measures the quantity of teaching work as shown in Table A: Table A2 Table A1
Working number
Negative visit positive
Add cleaner height
Device working affinity
Comparative air filter station
Connected air flow
Spring work number
Positive Beijing change number
Birthday delay timeii200
Appendix A
Appendix
Working Conditions
Using AFS-3201 Atomic Infrared Spectrometer, only the quantity of the work is measured as shown in Table A: Table A2 Table A1
Working Numbers
Negative Visit Positive
Additional Cleaner Height
Working Properties
Comparative Air Screening Station
Connected Air Flow
Spring Number
Positive Change Number
Birth Delay Timeii200
Appendix A
Appendix
Working Conditions
Using AFS-3201 Atomic Infrared Spectrometer, only the quantity of the work is measured as shown in Table A: Table A2 Table A1
Working Numbers
Negative Visit Positive
Additional Cleaner Height
Working Properties
Comparative Air Screening Station
Connected Air Flow
Spring Numberwww.bzxz.net
Positive Change Number
Birth Delay Time
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