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GB/T 34609.2-2020 English PDF

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GB/T 34609.2-2020: Method for chemical analysis of rhodium compounds - Part 2: Determination of silver, gold, platinum, palladium, iridium, ruthenium, lead, nickel, copper, iron, tin, zinc, magnesium, manganese, aluminium, calcium, sodium, potassium, chromium and silicon contents - Inductively coupled plasma atomic emission spectrometry
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GB/T 34609.2-2020English189 Add to Cart 3 days [Need to translate] Method for chemical analysis of rhodium compounds - Part 2: Determination of silver, gold, platinum, palladium, iridium, ruthenium, lead, nickel, copper, iron, tin, zinc, magnesium, manganese, aluminium, calcium, sodium, potassium, chromium and silicon contents - Inductively coupled plasma atomic emission spectrometry Valid GB/T 34609.2-2020

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Basic data

Standard ID GB/T 34609.2-2020 (GB/T34609.2-2020)
Description (Translated English) Method for chemical analysis of rhodium compounds - Part 2: Determination of silver, gold, platinum, palladium, iridium, ruthenium, lead, nickel, copper, iron, tin, zinc, magnesium, manganese, aluminium, calcium, sodium, potassium, chromium and silicon co
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard H15
Classification of International Standard 77.120.99
Word Count Estimation 10,144
Date of Issue 2020-09-29
Date of Implementation 2021-08-01
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration

GB/T 34609.2-2020: Method for chemical analysis of rhodium compounds - Part 2: Determination of silver, gold, platinum, palladium, iridium, ruthenium, lead, nickel, copper, iron, tin, zinc, magnesium, manganese, aluminium, calcium, sodium, potassium, chromium and silicon contents - Inductively coupled plasma atomic emission spectrometry



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Method for chemical analysis of rhodium compounds - Part 2.Determination of silver, gold, platinum, palladium, iridium, ruthenium, lead, nickel, copper, iron, tin, zinc, magnesium, manganese, aluminium, calcium, sodium, potassium, chromium and silicon c ICS 77.120.99 H15 National Standards of People's Republic of China Rhodium compound chemical analysis method Part 2.Silver, gold, platinum, palladium, iridium, ruthenium, lead, Nickel, copper, iron, tin, zinc, magnesium, manganese, aluminum, calcium, Determination of sodium, potassium, chromium and silicon content Inductively coupled plasma atomic emission spectrometry Released on 2020-09-29 Implemented on 2021-08-01 State Administration for Market Regulation Issued by the National Standardization Management Committee

Foreword

GB/T 34609 "Methods for Chemical Analysis of Rhodium Compounds" is divided into 2 parts. ---Part 1.Determination of rhodium content hexaammine cobalt nitrate gravimetric method; ---Part 2.Determination of silver, gold, platinum, palladium, iridium, ruthenium, lead, nickel, copper, iron, tin, zinc, magnesium, manganese, aluminum, calcium, sodium, potassium, chromium, silicon content Inductively coupled plasma atomic emission spectrometry. This part is Part 2 of GB/T 34609. This section was drafted in accordance with the rules given in GB/T 1.1-2009. This part was proposed by China Nonferrous Metals Industry Association. This part is under the jurisdiction of the National Nonferrous Metals Standardization Technical Committee (SAC/TC243). Drafting organizations of this section. Guiyan Platinum Co., Ltd., Guiyan Testing Technology (Yunnan) Co., Ltd., Jiangxi Han's Precious Metals Co., Ltd. Company, Xuzhou Haotong New Material Technology Co., Ltd., Guangdong Industrial Analysis and Testing Center, Jiangsu Zhongming New Material Co., Ltd., Changchun Gold Research Institute Co., Ltd., Shaanxi Ruike New Materials Co., Ltd., Jiangxi Province Junxin Precious Metal Technology Materials Co., Ltd., Zijin Mining Group Co., Ltd., Shenzhen Zhongjin Lingnan Nonferrous Metals Co., Ltd., Nanjing Product Quality Supervision and Inspection Institute. The main drafters of this section. Wang Yingjin, Li Qiuying, Liu Guihua, Li Yuping, Ma Yuan, Zhu Wuxun, Wu Qingwei, Yu Fengshan, Xi Hongjie, Zhang Sheng, Lu Jianjun, Su Guangdong, Gao Ruifeng, Huang Zufei, Zhou Shuyan, Li Mei, Huang Chunqin, Gong Weilong, Shi Xiaoni, Cai Yanxia, Zhang Yuan, Mei Xiuming. Rhodium compound chemical analysis method Part 2.Silver, gold, platinum, palladium, iridium, ruthenium, lead, Nickel, copper, iron, tin, zinc, magnesium, manganese, aluminum, calcium, Determination of sodium, potassium, chromium and silicon content Inductively coupled plasma atomic emission spectrometry

1 Scope

This part of GB/T 34609 specifies the silver, gold, platinum, palladium, iridium, ruthenium, lead, nickel, copper, iron, tin, zinc, magnesium, manganese, aluminum, calcium, Methods for determination of sodium, potassium, chromium and silicon content. This part applies to rhodium iodide, rhodium octanoate, rhodium trichloride in silver, gold, platinum, palladium, iridium, ruthenium, lead, nickel, copper, iron, tin, zinc, magnesium, manganese, aluminum, Determination of calcium, sodium, potassium, chromium and silicon content. The measurement range is 0.0010%~0.10%.

2 Method principle

The sample is heated and dissolved in a polytetrafluoroethylene beaker with a mixed acid of hydrochloric acid and nitric acid, in a dilute hydrochloric acid medium, using inductively coupled plasma Atomic emission spectrometer measures the amount of each element.

3 Reagents and materials

Unless otherwise specified, only use reagents and distilled or deionized water or equivalent purity water confirmed to be analytically pure in the analysis. 3.1 Potassium hydroxide. 3.2 Nitric acid (ρ=1.42g/mL). 3.3 Hydrochloric acid (ρ=1.19g/mL). 3.4 Hydrogen peroxide (30%). 3.5 Nitric acid solution (1 1). 3.6 Hydrochloric acid solution (15 85). 3.7 Platinum standard storage solution. Weigh 0.1000g of platinum (mass fraction ≥99.99%), place it in a 100mL PTFE beaker, and add 10mL hydrochloric acid (3.3) and 3mL nitric acid (3.2), cover with a watch glass, heat at low temperature to dissolve completely, transfer into a 100mL volumetric flask, add 10mL hydrochloric acid (3.3), dilute to the mark with water. Mix well. 1mL of this solution contains 1.0mg platinum; 3.8 Palladium standard storage solution. Weigh 0.1000g of palladium (mass fraction ≥99.99%), place it in a 100mL polytetrafluoroethylene beaker, and add 3mL hydrochloric acid (3.3) and 1mL nitric acid (3.2), cover with a watch glass, heat at low temperature to dissolve completely, transfer into a 100mL volumetric flask, add 10mL hydrochloric acid (3.3), dilute to the mark with water. Mix well. 1mL of this solution contains 1.0mg of palladium. 3.9 Iridium standard storage solution. Weigh 0.1000g iridium powder (mass fraction ≥99.99%), place it in a hard glass sealed tube, and add used ice water Cooled 8mL hydrochloric acid (3.3), 2mL hydrogen peroxide (3.4), immediately use a gasoline blowtorch flame to melt and seal the pipe mouth of the hard glass sealing tube, Put it in a steel bomb filled with kerosene, cover the inner cover, screw the outer cover, and then place it in a muffle furnace to heat up to 300℃±5℃, and dissolve at a constant temperature for 72h. take Take out, cool, and freeze in the refrigerator for 2h. Take it out, immediately cut the mouth of the hard glass sealed tube with quartz sand, and use hydrochloric acid (3.3) for the test solution in the tube. Wash into a 100mL volumetric flask and dilute to the mark with water. Mix well. 1mL of this solution contains 1.0mg of iridium. 3.10 Ruthenium standard storage solution. Weigh 0.1000g of ruthenium powder (mass fraction ≥99.95%), add it to a 100mL quartz glass tube

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