GB/T 8151.25-2023 English PDFUS$258.00 · In stock
Delivery: <= 2 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 8151.25-2023: Methods for chemical analysis of zinc concentrates - Part 25: Determination of indium content - Flame atomic absorption spectrometry Status: Valid
Basic dataStandard ID: GB/T 8151.25-2023 (GB/T8151.25-2023)Description (Translated English): Methods for chemical analysis of zinc concentrates - Part 25: Determination of indium content - Flame atomic absorption spectrometry Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: H13 Classification of International Standard: 77.120.60 Word Count Estimation: 13,182 Date of Issue: 2023-05-23 Date of Implementation: 2023-12-01 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 8151.25-2023: Methods for chemical analysis of zinc concentrates - Part 25: Determination of indium content - Flame atomic absorption spectrometry---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order. ICS 77:120:60 CCSH13 National Standards of People's Republic of China Methods for chemical analysis of zinc concentrates - Part 25: Indium content Determination of Flame Atomic Absorption Spectrometry Released on 2023-05-23 2023-12-01 implementation State Administration for Market Regulation Released by the National Standardization Management Committee forewordThis document is in accordance with the provisions of GB/T 1:1-2020 "Guidelines for Standardization Work Part 1: Structure and Drafting Rules for Standardization Documents" drafting: This document is part 25 of GB/T 8151 "Methods for Chemical Analysis of Zinc Concentrates": GB/T 8151 has issued the following parts: --- Part 1: Determination of zinc content, precipitation separation Na2EDTA titration method and extraction separation Na2EDTA titration method; --- Part 2: Determination of sulfur content Combustion neutralization titration method; --- Part 3: Determination of iron content Na2EDTA titration method; --- Part 4: Determination of the amount of silica Molybdenum blue spectrophotometry; --- Part 5: Determination of lead content by flame atomic absorption spectrometry; --- Part 6: Determination of copper content by flame atomic absorption spectrometry; --- Part 7: Determination of the amount of arsenic hydride generation - atomic fluorescence spectrometry and potassium bromate titration; --- Part 8: Determination of the amount of cadmium flame atomic absorption spectrometry; --- Part 9: Determination of the amount of fluorine ion selective electrode method; --- Part 10: Determination of the amount of tin hydride generation - atomic fluorescence spectrometry; --- Part 11: Determination of antimony content Hydride generation-atomic fluorescence spectrometry; --- Part 12: Determination of silver content by flame atomic absorption spectrometry; --- Part 13: Determination of the amount of germanium hydride generation-atomic fluorescence spectrometry and benzofluorenone spectrophotometry; --- Part 14: Determination of the amount of nickel flame atomic absorption spectrometry; --- Part 15: Determination of the amount of mercury atomic fluorescence spectrometry; --- Part 16: Determination of cobalt content flame atomic absorption spectrometry; --- Part 17: Determination of zinc hydroxide precipitation-Na2EDTA titration method; --- Part 18: Determination of the amount of zinc ion exchange-Na2EDTA titration method --- Part 19: Determination of gold and silver content lead precipitation or ash blown gold and flame atomic absorption spectrometry; --- Part 20: Determination of the amount of copper, lead, iron, arsenic, cadmium, antimony, calcium, magnesium Inductively coupled plasma atomic emission spectrometry; --- Part 21: Determination of the amount of thallium by inductively coupled plasma mass spectrometry and inductively coupled plasma-atomic emission spectrometry; --- Part 22: Determination of zinc, copper, lead, iron, aluminum, calcium and magnesium content wavelength dispersive X-ray fluorescence spectrometry; --- Part 23: Determination of mercury content direct method of solid sampling; --- Part 24: Determination of soluble zinc content by flame atomic absorption spectrometry; --- Part 25: Determination of indium content by flame atomic absorption spectrometry; --- Part 26: Determination of silver content Acid dissolution - flame atomic absorption spectrometry: Please note that some contents of this document may refer to patents: The issuing agency of this document assumes no responsibility for identifying patents: This document is proposed by China Nonferrous Metals Industry Association: This document is under the jurisdiction of the National Nonferrous Metals Standardization Technical Committee (SAC/TC243): This document was drafted by: Shenzhen Zhongjin Lingnan Nonferrous Metals Co:, Ltd: Shaoguan Smelter, Shenzhen Zhongjin Lingnan Nonferrous Metals Co:, Ltd: Co:, Ltd:, Beikuang Testing Technology Co:, Ltd:, Zijin Mining Group Co:, Ltd:, Tongling Nonferrous Metals Group Holdings Co:, Ltd: Division, Yunnan Copper and Zinc Industry Co:, Ltd:, South China University of Technology, China Inspection and Certification Group Guangxi Co:, Ltd:, Daye Nonferrous Design and Research Institute Co:, Ltd:, Guangdong Leading Advanced Materials Co:, Ltd:, China Nonferrous Metals Guilin Institute of Mineral Geology Co:, Ltd:, Fumin Xinye Industry and Trade Co:, Ltd: Co:, Ltd: Wuhua Branch, Guangxi Zhuang Autonomous Region Analysis and Testing Research Center, Zijin Copper Co:, Ltd:, Jiangxi Huagan Ruilin Rare and Precious Metals Division Technology Co:, Ltd:, Yunxi Wenshan Zinc and Indium Smelting Co:, Ltd:, Fangchenggang Dongtu Mineral Testing Co:, Ltd:, Shandong Hengbang Smelting Co:, Ltd: Division, Chinalco Zhengzhou Nonferrous Metal Research Institute Co:, Ltd:, National Tungsten and Rare Earth Product Quality Supervision and Inspection Center: The main drafters of this document: Zuo Hongyi, Xia Shiming, Yang Ping, Tan Xiuli, Zhou Kehua, Xu Ming, Feng Qi, Shi Jing, Luo Haixia, Li Chenxi, Dai Fengying, Lu Quanfeng, Su Chunfeng, Zhang Yuan, Yang Xing, Yang Hongxian, Liang Qingyou, Liao Jianqin, Wei Wen, Shi Xiaoying, Tang Rongsheng, Kong Fanli, Wei Shuyan, Lai Qiuxiang, Liu Minghong, Yang Juncheng, Huang Hanbian, Ni Yucheng, Zhang Huan, Song Liping, Li Shangjuan, Li Yanping, Huang Yizhong, Liu Na, Yuan Pengcheng, Long Xingjie, Huang Qiuxiang, Li Jiao, Chen Wen, Lu Qianqian, Zou Xiaofen, Liu Xiaoling:IntroductionIndium is an expensive scattered metal, there is no separate indium deposit, it is very dispersed in the earth's crust, and its content is very low: At present, the main industry indium The source is sphalerite (mass fraction is 0:0001%~0:10%), followed by galena, lead oxide ore and other ores, after lead-zinc smelting recovered as a by-product in the process: Indium content in zinc concentrate is an important indicator of trade settlement, and accurate determination of indium content in zinc concentrate is of great importance: significance: In the current GB/T 8151 series of standards for chemical analysis methods of zinc concentrates, there is no analysis method for indium, which cannot meet market trade settlement requirements: requirements: GB/T 8151 is proposed to consist of 26 parts: --- Part 1: Determination of zinc content, precipitation separation Na2EDTA titration method and extraction separation Na2EDTA titration method; --- Part 2: Determination of sulfur content Combustion neutralization titration method; --- Part 3: Determination of iron content Na2EDTA titration method; --- Part 4: Determination of the amount of silica Molybdenum blue spectrophotometry; --- Part 5: Determination of lead content by flame atomic absorption spectrometry; --- Part 6: Determination of copper content by flame atomic absorption spectrometry; --- Part 7: Determination of the amount of arsenic - hydride generation - atomic fluorescence spectrometry and potassium bromate titration; --- Part 8: Determination of the amount of cadmium flame atomic absorption spectrometry; --- Part 9: Determination of the amount of fluorine ion selective electrode method; --- Part 10: Determination of the amount of tin hydride generation - atomic fluorescence spectrometry; --- Part 11: Determination of antimony content Hydride generation-atomic fluorescence spectrometry; --- Part 12: Determination of silver content by flame atomic absorption spectrometry; --- Part 13: Determination of the amount of germanium hydride generation-atomic fluorescence spectrometry and benzofluorenone spectrophotometry; --- Part 14: Determination of the amount of nickel flame atomic absorption spectrometry; --- Part 15: Determination of the amount of mercury atomic fluorescence spectrometry; --- Part 16: Determination of cobalt content flame atomic absorption spectrometry; --- Part 17: Determination of zinc hydroxide precipitation-Na2EDTA titration method; --- Part 18: Determination of the amount of zinc ion exchange-Na2EDTA titration method; --- Part 19: Determination of gold and silver content lead precipitation or ash blown gold and flame atomic absorption spectrometry; --- Part 20: Determination of the amount of copper, lead, iron, arsenic, cadmium, antimony, calcium, magnesium Inductively coupled plasma atomic emission spectrometry; --- Part 21: Determination of the amount of thallium by inductively coupled plasma mass spectrometry and inductively coupled plasma-atomic emission spectrometry; --- Part 22: Determination of zinc, copper, lead, iron, aluminum, calcium and magnesium content wavelength dispersive X-ray fluorescence spectrometry; --- Part 23: Determination of mercury content direct method of solid sampling; --- Part 24: Determination of soluble zinc content by flame atomic absorption spectrometry; --- Part 25: Determination of indium content by flame atomic absorption spectrometry; --- Part 26: Determination of silver content Acid dissolution - flame atomic absorption spectrometry: The determination of indium content in zinc concentrate is of great practicality and necessity for market trade settlement and guidance of smelting production: Methods for chemical analysis of zinc concentrates - Part 25: Indium content Determination of Flame Atomic Absorption Spectrometry Caution - Persons using this document should have practical experience in formal laboratory work: This document does not address all possible security issues question: It is the user's responsibility to take appropriate safety and health measures and ensure compliance with the conditions stipulated in the relevant national laws and regulations:1 ScopeThis document describes a method for the determination of the indium content of zinc concentrates: This document is applicable to the determination of indium content in zinc concentrate: The determination range (mass fraction) is 0:0020%~0:120%:2 Normative referencesThe contents of the following documents constitute the essential provisions of this document through normative references in the text: Among them, dated references For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to this document: GB/T 6682 Analytical laboratory water specifications and test methods3 Terms and DefinitionsThis document does not have terms and definitions that need to be defined:4 principlesThe sample was dissolved with hydrochloric acid, nitric acid, sulfuric acid: High content of indium is directly diluted; low content of indium is mixed with iodide ions in potassium iodide-sulfuric acid medium Complexation, extraction of trace indium with butyl acetate, and back extraction of indium into the aqueous phase with hydrochloric acid: Then in hydrochloric acid medium, use air-acetylene fire Flame, the absorbance of indium was measured at the wavelength of 303:9nm of the atomic absorption spectrometer, and the content of indium was calculated according to the standard curve method:5 Reagents and materialsUnless otherwise stated, only reagents confirmed to be analytically pure and secondary water in accordance with GB/T 6682 were used in the analysis: 5:1 Ascorbic acid: 5:2 Ammonium fluoride: 5:3 Hydrochloric acid (ρ=1:19g/mL): 5:4 Nitric acid (ρ=1:42g/mL): 5:5 Sulfuric acid (ρ=1:84g/mL): 5:6 Perchloric acid (ρ=1:70g/mL): 5:7 Butyl acetate: 5:8 Hydrochloric acid solution (1 19): 5:9 Sulfuric acid solution (19): ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 8151.25-2023_English be delivered?Answer: Upon your order, we will start to translate GB/T 8151.25-2023_English as soon as possible, and keep you informed of the progress. 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