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GB/T 34499.2-2017 English PDF

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GB/T 34499.2-2017: Methods for chemical analysis of iridium compounds -- Part 2: Determination of silver, gold, platinum, palladium, rhodium, ruthenium, aluminium, copper, iron, nickel, lead, magnesium, manganese, tin, zinc, calcium, sodium, potassium, silicon content
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GB/T 34499.2-2017English199 Add to Cart 3 days [Need to translate] Methods for chemical analysis of iridium compounds -- Part 2: Determination of silver, gold, platinum, palladium, rhodium, ruthenium, aluminium, copper, iron, nickel, lead, magnesium, manganese, tin, zinc, calcium, sodium, potassium, silicon content Valid GB/T 34499.2-2017

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Basic data

Standard ID GB/T 34499.2-2017 (GB/T34499.2-2017)
Description (Translated English) Methods for chemical analysis of iridium compounds -- Part 2: Determination of silver, gold, platinum, palladium, rhodium, ruthenium, aluminium, copper, iron, nickel, lead, magnesium, manganese, tin, zinc, calcium, sodium, potassium, silicon content
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard H15
Classification of International Standard 77.120.99
Word Count Estimation 10,118
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 34499.2-2017: Methods for chemical analysis of iridium compounds -- Part 2: Determination of silver, gold, platinum, palladium, rhodium, ruthenium, aluminium, copper, iron, nickel, lead, magnesium, manganese, tin, zinc, calcium, sodium, potassium, silicon content



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Methods for chemical analysis of iridium compounds - Part 2. Determination of silver, gold, platinum, palladium, rhodium, ruthenium, aluminum, copper, iron, nickel, lead, magnesium, manganese, tin, zinc, calcium, sodium, potassium, silicon content - Indu ICS 77.120.99 H15 National Standards of People's Republic of China Chemical analysis of iridium compounds Part 2. Silver, Gold, platinum, palladium, rhodium, ruthenium, aluminum, copper, iron, nickel, lead, Determination of magnesium, manganese, tin, zinc, calcium, sodium, potassium and silicon Inductively coupled plasma atomic emission spectrometry Methodsforchemicalanalysisofiridiumcompounds-Part 2.Determinationof silver, gold, platinum, paladium, rhodium, ruthenium, aluminum, copper, iron, nickel, lead, magnesium, manganese, tin, zinc, calcium, sodium, potassium, 2017-09-29 Release.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 34499 "chemical analysis of iridium compounds," is divided into two parts. --- Part 1. Determination of the amount of iridium ferrous sulfate titration; --- Part 2. Determination of silver, gold, platinum, palladium, rhodium, ruthenium, aluminum, copper, iron, nickel, lead, magnesium, manganese, tin, zinc, calcium, sodium, potassium, silicon Inductance coupling Plasma atomic emission spectrometry. This section GB/T 34499 Part 2. 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. Your research Platinum Co., Ltd., your research and testing technology (Yunnan) Co., Ltd., non-ferrous metal technology economy Institute. Participated in the drafting of this section. Jiangxi Han's Precious Metals Co., Ltd., Jinchuan Group Co., Ltd., precious metals smelter, Guangdong Provincial Industrial Analysis and Testing Center. The main drafters of this section. Li Qiuying, Li Lixin, Xiang Lei, Zhou Shiping, He Jiao, Gan Jian Zhuang, Fang Haiyan, Sun Qi, Zhu Wuxun, Yu Fengshan, Liu Tong silver, Liu Tianping, Zhang made, Chen Xiaolan. Chemical analysis of iridium compounds Part 2. Silver, Gold, platinum, palladium, rhodium, ruthenium, aluminum, copper, iron, nickel, lead, Determination of magnesium, manganese, tin, zinc, calcium, sodium, potassium and silicon Inductively coupled plasma atomic emission spectrometry

1 Scope

GB/T 34499 provisions of this part of the iridium compounds silver, gold, platinum, palladium, rhodium, ruthenium, aluminum, copper, iron, nickel, lead, magnesium, manganese, tin, zinc, Determination of sodium, potassium and silicon. This section applies to silver chloride, gold, platinum, palladium, rhodium, ruthenium, aluminum, copper, zinc chloride, Iron, nickel, lead, magnesium, manganese, tin, zinc, calcium, sodium, potassium and silicon. Measurement range .0.0010% ~ 0.050%.

2 method principle

Chloro Iridium acid, Iridium chloride, Iridium trichloride sample with dilute hydrochloric acid dissolved in a Teflon beaker. In dilute hydrochloric acid medium, use inductors Coupling plasma atomic emission spectrometer to measure the amount of each element.

3 reagent

Unless otherwise specified, use only reagents that are identified as superior pure, primary water, or water with a resistivity ≥18MΩ · cm-1. 3.1 Potassium hydroxide. 3.2 Nitric acid (p = 1.42 g/mL). 3.3 Hydrochloric acid (p = 1.19 g/mL). 3.4 Hydrogen peroxide (30%, volume fraction). 3.5 Hydrochloric acid (1 1). 3.6 platinum standard stock solution Weigh 0.1000g metal platinum (mass fraction ≥ 99.99%), placed in 100mL Teflon beaker, Add 6mL hydrochloric acid (3.3), 2mL nitric acid (3.2), cover the surface of the dish, low temperature heating to dissolve completely, into a 100mL volumetric flask, add 10mL hydrochloric acid (3.3), diluted with water to the mark. Mix well. This solution 1 mL contains 1.0 mg of platinum. 3.7 Palladium standard stock solution Weigh 0.1000g metal palladium (mass fraction ≥ 99.99%), placed in 100mL Teflon beaker, Add 6mL hydrochloric acid (3.3), 2mL nitric acid (3.2), cover the surface of the dish, low temperature heating to dissolve completely, into a 100mL volumetric flask, add 10mL hydrochloric acid (3.3), diluted with water to the mark. Mix well. This solution 1 mL contains 1.0 mg of palladium. 3.8 rhodium standard stock solution Weigh 0.1000g rhodium powder (mass fraction ≥ 99.99%), placed in 50mL glass tube, add 8mL salt Acid (3.3), 2mL hydrogen peroxide (3.4), sealed tube. Dissolved at 150 ℃ 48h, cooling, open tube. Pipette the test solution with hydrochloric acid (3.5) wash 100mL volumetric flask, diluted with water to the mark, mix well. 1 mL of this solution contains 1.0 mg of rhodium. 3.9 ruthenium standard stock solution Weigh 0.1000g ruthenium powder (mass fraction ≥ 99.99%), placed in a rigid glass tube sealed, added with ice water The cooled 8mL hydrochloric acid (3.3), 2mL of hydrogen peroxide (3.4), immediately flame with a gasoline torch to melt the seal of rigid glass sealing tube and sealed, Placed in a steel tube (two openings), and then placed in an oven warmed to 150 ℃ ± 5 ℃, dissolved at constant temperature 72h. Remove, cool and cool in the freezer Frozen 2h. Remove, immediately cut with a quartz sand hard glass sealed pipe nozzle, the tube test solution was washed with hydrochloric acid (3.5) into 100mL volumetric flask In, dilute with water to the mark. Mix well. This solution 1 mL contains 1.0 mg of ruthenium.

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