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GB/T 3884.19-2017: Methods for chemical analysis of copper concentrates -- Part 19: Determination of thallium content -- Inductively coupled plasma mass spectrometry
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Methods for chemical analysis of copper concentrates -- Part 19: Determination of thallium content -- Inductively coupled plasma mass spectrometry
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GB/T 3884.19-2017
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Basic data | Standard ID | GB/T 3884.19-2017 (GB/T3884.19-2017) | | Description (Translated English) | Methods for chemical analysis of copper concentrates -- Part 19: Determination of thallium content -- Inductively coupled plasma mass spectrometry | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H13 | | Classification of International Standard | 77.120.30 | | Word Count Estimation | 6,694 | | Date of Issue | 2017-09-29 | | Date of Implementation | 2018-04-01 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | GB/T 3884.19-2017: Methods for chemical analysis of copper concentrates -- Part 19: Determination of thallium content -- Inductively coupled plasma mass spectrometry
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Methods for chemical analysis of copper concentrates - Part 19. Determination of thallium content - Inductively coupled plasma mass spectrometry
ICS 77.120.30
H13
National Standards of People's Republic of China
Methods for chemical analysis of copper concentrates - Part 19.
Determination of thallium content Inductively coupled plasma mass spectrometry
Methods for chemical analysis of microponconcentrates-Part 19. Determination of
2017-09-29 Posted
2018-04-01 implementation
General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
China National Standardization Administration released
Foreword
GB/T 3884 "copper concentrate chemical analysis method" is divided into 19 parts.
--- Part 1. Determination of copper content iodometric method;
--- Part 2. Determination of gold and silver content Flame atomic absorption spectrometry and fire test method;
--- Part 3. Determination of sulfur content gravimetric and combustion - titration;
--- Part 4. Determination of magnesium oxide content by flame atomic absorption spectrometry;
--- Part 5. Determination of fluoride ion selective electrode method;
--- Part 6. Determination of lead, zinc, cadmium and nickel content; Flame atomic absorption spectrometry;
--- Part 7. Determination of lead content Na2EDTA titration;
--- Part 8. Determination of zinc content Na2EDTA titration;
--- Part 9. Determination of arsenic and bismuth hydride generation - atomic fluorescence spectrometry, potassium bromate titration and diethyldithiocarbamide
Acid silver formate spectrophotometry;
--- Part 10. Determination of the amount of antimony hydride generation - atomic fluorescence spectrometry;
--- Part 11. Determination of mercury content; Cold atomic absorption spectrometry;
--- Part 12. Determination of fluorine and chlorine by ion chromatography;
--- Part 13. Determination of copper content Electrolysis;
--- Part 14. Determination of gold and silver content by fire gravimetric method and atomic absorption spectrometry;
--- Part 15. Determination of iron content potassium dichromate titration;
--- Part 16. Determination of the amount of silica potassium fluorosilicate titration and gravimetric method;
--- Part 17. Determination of the amount of aluminum oxide Chromium S micellar solubilization spectrophotometry and precipitation separation - fluoride salt displacement -
Na2EDTA titration method;
--- Part 18 Determination of arsenic, antimony, bismuth, lead, zinc, nickel, cadmium, cobalt, magnesium oxide, calcium oxide content Inductively coupled plasma atomic emission
Emission spectrometry;
--- Part 19. Determination of thallium content by inductively coupled plasma mass spectrometry.
This section GB/T 3884 Part 19.
This section drafted in accordance with GB/T 1.1-2009 given rules.
This part is proposed by China Nonferrous Metal Industry Association.
This part of the National Non-ferrous Metal Standardization Technical Committee (SAC/TC243) centralized.
This section is responsible for the drafting unit. Tongling Nonferrous Metals Group Holdings Limited.
This section participates in the drafting unit.Nantong Exit Inspection and Quarantine, Beijing Mining and Metallurgical Research Institute, China Nonferrous Guilin Institute of Mineral Geology
Co., Ltd., Zijin Mining Group Co., Ltd., Bayuquan Exit Inspection and Quarantine, Kunming Metallurgical Research Institute, Fangchenggang Exit Inspection
Quarantine Bureau, Shenzhen Zhongnan Lingnan Nonferrous Metals Co., Ltd. Shaoguan smelter.
The main drafters of this section. Chen Xiaoyan, Wu Yong, Lu Qian Qian, Dou Huai-chi, Su Chunfeng, dry line, Li Qinmei, tour the Buddha water, Zhou Lei,
Zhang Xiaojun, Ye Xin, Hou Jin, Liu Runting, Luo Ronggen, Li Changli, Li Chao, Liu Weili, Liu Shunqiong, Yuan Qi, Shao from and.
Methods for chemical analysis of copper concentrates - Part 19.
Determination of thallium content Inductively coupled plasma mass spectrometry
1 Scope
GB/T 3884 provisions of this part of the determination of copper concentrate in the amount of thallium.
This section applies to the determination of copper concentrate in the amount of thallium. Measuring range. 0.05μg/g ~ 25.00μg/g.
2 method summary
The samples were decomposed by hydrochloric acid, nitric acid, hydrofluoric acid and perchloric acid. Iridium was used as the internal standard and dilute aqua regia as the medium. Inductively coupled plasma mass spectrometry
Direct determination of the amount of thallium.
3 reagent
Unless otherwise specified, only reagents identified as superior grade pure are used in the analysis; the water used is primary.
3.1 Hydrochloric acid (p = 1.19 g/mL).
3.2 Nitric acid (p = 1.42 g/mL).
Hydrofluoric acid (ρ = 1.13 g/mL).
3.4 Perchloric acid (ρ = 1.68g/mL).
3.5 hydrochloric acid mixed acid (3. 1).
Nitric acid (1 1).
3.7 Thallium standard stock solution Weigh 0.2795g thallium trioxide (wTl2O3 ≥ 99.99%) placed in a.200mL beaker, covered with a watch glass,
Slowly add 25mL nitric acid (3.6) dissolved, get rid of nitrogen oxides, remove the cooling to room temperature, wash the watch glass and the wall with water, into
250mL volumetric flask, diluted with water to the mark, mix well. 1mL of this solution contains 1mg thallium.
3.8 thallium standard solution A. Pipette Thallium standard stock solution (3.7), by stepwise dilution method, adding 3mL nitric acid (3.2), diluted with water
To the mark, mix well. The final solution 1 mL contains 1 μg of thallium.
3.9 thallium standard solution B. Pipette thallium standard solution A (3.8), by gradual dilution, add 3mL of nitric acid (3.2), diluted with water to
Scale, mix well. The final solution 1 mL contains 10 ng thallium.
3.10 iridium standard stock solution Weigh 0.1000g iridium powder (wIr ≥ 99.99%), placed in 50mL glass tube, was added 8mL hydrochloric acid
(3.1), 2mL hydrogen peroxide, sealing tube. Dissolved at 150 ℃ 48h, cooling, open tube. Pipette the test solution into 100mL volumetric flask,
Add 10mL hydrochloric acid (3.1), diluted with water to the mark, mix well. 1 mL of this solution contains 1 mg iridium.
3.11 iridium standard solution. Draw iridium standard stock solution (3.10), by gradual dilution, adding 3mL of nitric acid (3.2), diluted with water
To the mark, mix well. The final solution 1 mL contains 10 ng iridium.
3.12 Argon (wAr ≥ 99.99%).
4 instruments
Inductively Coupled Plasma Mass Spectrometry.
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