GB/T 20899.13-2017 English PDF

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GB/T 20899.13-2017: Methods for chemical analysis of gold ores -- Part 13: Determination of lead, zinc, bismuth, cadmium, chromium, arsenic and mercury contents -- Inductively coupled plasma atomic emission spectrometry
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 20899.13-2017	199	Add to Cart	3 days	Methods for chemical analysis of gold ores -- Part 13: Determination of lead, zinc, bismuth, cadmium, chromium, arsenic and mercury contents -- Inductively coupled plasma atomic emission spectrometry	Valid

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Basic data

Standard ID: GB/T 20899.13-2017 (GB/T20899.13-2017)
Description (Translated English): Methods for chemical analysis of gold ores -- Part 13: Determination of lead, zinc, bismuth, cadmium, chromium, arsenic and mercury contents -- Inductively coupled plasma atomic emission spectrometry
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: D46
Classification of International Standard: 77.150.01
Word Count Estimation: 10,153
Date of Issue: 2017-09-29
Date of Implementation: 2018-08-01
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 20899.13-2017: Methods for chemical analysis of gold ores -- Part 13: Determination of lead, zinc, bismuth, cadmium, chromium, arsenic and mercury contents -- Inductively coupled plasma atomic emission 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.
Methods for chemical analysis of gold ores - Part 13. Determination of lead, zinc, bismuth, cadmium, chromium, arsenic and mercury contents - Inductively coupled plasma atomic emission spectrometry ICS 77.150.01 D46 National Standards of People's Republic of China Gold ores chemical analysis methods Part 13. Lead, zinc, bismuth, cadmium, chromium, Determination of arsenic and mercury content Inductively coupled plasma atomic emission spectrometry Methods for chemical analysis of golds- Part 13.Determination of lead, zinc, bismuth, cadmium, chromium, arsenicandmercurycontents- 2017-09-29 Release.2018-08-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China China National Standardization Administration released

Foreword

GB/T 20899 "gold ore chemical analysis method" is divided into the following 14 parts. --- Part 1. Determination of the amount of gold and silver; --- Part 2. Determination of silver; --- Part 3. Determination of arsenic; --- Part 4. Determination of copper content; --- Part 5. Determination of lead content; --- Part 6. Determination of zinc content; --- Part 7. Determination of iron content; --- Part 8. Determination of sulfur; --- Part 9. Determination of carbon content; --- Part 10. Determination of the amount of antimony; --- Part 11. Determination of arsenic and bismuth; --- Part 12. Determination of arsenic, mercury, cadmium, lead and bismuth content; Atomic fluorescence spectrometry; --- Part 13. Determination of lead, zinc, bismuth, cadmium, chromium, arsenic and mercury; Inductively coupled plasma atomic emission spectrometry; --- Part 14. Determination of thallium content Inductively coupled plasma atomic emission spectrometry and inductively coupled plasma mass spectrometry. This section GB/T 20899 Part 13. This section drafted in accordance with GB/T 1.1-2009 given rules. This part of the National Gold Standardization Technical Committee (SAC/TC379) and focal point. This part of the drafting unit. Zijin Mining Group Co., Ltd., Daye Nonferrous Design Institute Co., Ltd., Changchun Institute of Gold, North Beijing Mining Research Institute, Jiangxi Jinyuan Nonferrous Geological Testing Co., Ltd., Zhongtiaoshan Nonferrous Metals Group Co., Ltd., Shandong Hengbang Smelting Co., Ltd. Co., Ltd., Henan Zhongyuan Gold Smelter Co., Ltd. The main drafters of this section. Pearl, Liu Chunhua, Chen Zhuhai, Longxiu A, Yu Jinsheng, Zeng Jing, Shi Xiaoying, Hong Bo, Fang Di, Han Xiao, Cao Jun, Qian Ling, Liu Lian, Qu Shengli, Cao Yajun, Liu Chengxiang, Ding Xiumei. Gold ores chemical analysis methods Part 13. Lead, zinc, bismuth, cadmium, chromium, Determination of arsenic and mercury content Inductively coupled plasma atomic emission spectrometry Warning - Lead, cadmium, chromium, arsenic and mercury as toxic substances, the use of this part of the staff should have regular laboratory work experience. Headquarters Points do not indicate all possible safety issues. It is the user's responsibility to take appropriate safety and health measures and to ensure compliance with relevant national regulations Prescribed conditions.

1 Scope

This part of GB/T 20899 specifies the determination of the amount of lead, zinc, bismuth, cadmium, chromium, arsenic and mercury in gold ores. This section applies to the determination of lead, zinc, bismuth, cadmium, chromium, arsenic and mercury in gold ores, the determination of the elements in Table 1. Table 1 measurement range Elemental determination range Elemental determination range Lead 0.0050% to 5.00% Chromium 0.010% to 2.00% Zinc 0.0050% to 5.00% Arsenic 0.0050% to 5.00% Bismuth 0.0050% to 2.00% mercury 0.0050% to 2.00% Cadmium 0.0050% ~ 2.00%

2 method principle

The sample is dissolved in hydrochloric acid, nitric acid (determination of lead, zinc, bismuth, cadmium, arsenic and mercury) or dissolved in phosphoric acid (determination of chromium) In the inductively coupled plasma atomic emission spectrometer selected conditions, the determination of the test solution of the spectral intensity of each element, with yttrium as the internal standard, press Standard curve method for calculating lead, zinc, bismuth, cadmium, chromium, arsenic and mercury.

3 reagent

Unless otherwise specified, analytical reagents are used in the assay with either deionized or distilled water or rather pure water. 3.1 Nitric acid (p = 1.42 g/mL). 3.2 Hydrochloric acid (p = 1.19 g/mL). 3.3 Perchloric acid (ρ = 1.76g/mL). 3.4 Sulfuric acid (p = 1.84 g/mL). 3.5 Phosphate (p = 1.87 g/mL). 3.6 Hydrofluoric acid (p = 1.14 g/mL). 3.7 tartaric acid solution (200g/L). 3.8 Ammonium bifluoride solution (200 g/L). ......

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