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GB/T 11066.8-2009 English PDF

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GB/T 11066.8-2009: Method for chemical analysis of gold -- Determination of silver, copper, iron, lead, antimony, bismuth, palladium, magnesium, nickel, manganese and chromium content -- Ethyl acetate extraction-inductively coupled plasma-atomic emission spectrometry
Status: Valid
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GB/T 11066.8-2009English209 Add to Cart 3 days [Need to translate] Method for chemical analysis of gold -- Determination of silver, copper, iron, lead, antimony, bismuth, palladium, magnesium, nickel, manganese and chromium content -- Ethyl acetate extraction-inductively coupled plasma-atomic emission spectrometry Valid GB/T 11066.8-2009

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Basic data

Standard ID GB/T 11066.8-2009 (GB/T11066.8-2009)
Description (Translated English) Method for chemical analysis of gold -- Determination of silver, copper, iron, lead, antimony, bismuth, palladium, magnesium, nickel, manganese and chromium content -- Ethyl acetate extraction-inductively coupled plasma-atomic emission spectrometry
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard H15
Classification of International Standard 77.040.30
Word Count Estimation 9,914
Date of Issue 2009-04-15
Date of Implementation 2010-02-01
Regulation (derived from) National Standard Approval Announcement 2009 No.5 (Total No.145)
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
Summary This standard specifies the gold silver, Determination of manganese and chromium content, copper, iron, lead, bismuth, antimony, palladium, magnesium, nickel. This section applies to gold (99. 95% to 99. 99%) in silver, determination of manganese and chromium content, copper, iron, lead, bismuth, antimony, palladium, magnesium, nickel.

GB/T 11066.8-2009: Method for chemical analysis of gold -- Determination of silver, copper, iron, lead, antimony, bismuth, palladium, magnesium, nickel, manganese and chromium content -- Ethyl acetate extraction-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.
Method for chemical analysis of gold. Determination of silver, copper, iron, lead, antimony, bismuth, palladium, magnesium, nickel, manganese and chromium content. Ethyl acetate extration-inductively coupled plasma-atomic emission spectrometry ICS 77.040.30 H15 National Standards of People's Republic of China Methods for chemical analysis of gold Silver, copper, iron, lead, antimony, bismuth, Determination of palladium, magnesium, nickel, manganese and chromium content Ethyl acetate - Inductively Coupled Plasma Atomic Emission Spectrometry Posted 2009-04-15 2010-02-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

GB/T 11066 "Methods for chemical analysis of gold" is divided into the following 10 sections. --- GB/T 11066.1 gold chemical analysis method of determining the amount of gold fire assay --- GB/T 11066.2 gold chemical analysis of silver content - Flame Atomic Absorption Spectrometry --- GB/T 11066.3 gold chemical analysis of iron content - Flame Atomic Absorption Spectrometry --- GB/T 11066.4 gold chemical analysis of copper, lead and bismuth contents - Flame Atomic Absorption Spectrometry --- GB/T 11066.5 gold chemical analysis of silver, copper, iron, lead, antimony and bismuth content - Atomic Emission Spectrometry --- GB/T 11066.6 gold chemical analysis of magnesium, nickel, manganese, and palladium contents - Flame Atomic Absorption Spectrometry --- GB/T 11066.7 gold chemical analysis of silver, copper, iron, lead, antimony, bismuth, palladium, magnesium, tin, nickel, manganese and chromium contents - fire Flower atomic emission spectrometry --- GB/T 11066.8 gold chemical analysis of silver, copper, iron, lead, antimony, bismuth, palladium, magnesium, nickel, manganese and chromium contents - ethyl acetate Ester extraction - inductively coupled plasma atomic emission spectrometry --- GB/T 11066.9 gold chemical analysis method for determination of arsenic and tin hydride generation - atomic fluorescence spectrometry 11066.10 gold chemical analysis method for the determination of silicon content --- GB/T molybdenum blue spectrophotometric method This section GB/T Part of 811,066. Appendix A of this section is an informative annex. This part is proposed by the China Nonferrous Metals Industry Association. The non-ferrous metal part by the National Standardization Technical Committee. This section is responsible for drafting unit. Chengdu Banknote Printing Company, China Nonferrous Metals Industry Standards and Metrology Institute for Quality. Participated in the drafting of this section. Shenyang Mint, Chengdu Banknote Printing Company, Changchun Gold Research Institute, Beijing General Research Institute of Mining and Metallurgy, Shanghai Mint Plant, Tongling Nonferrous Metals Group Holdings Limited. The main drafters of this section. Wang Yu, Lai Maoming, Chen Jie, Wang Zisen, Long Shujie, wide long week, Huang Rui, Chen Feifei, in force, Liqin Mei, Chen Huiwen, Zhuxiu Fen, Huang Minhua, Zhumu Ping. Methods for chemical analysis of gold Silver, copper, iron, lead, antimony, bismuth, Determination of palladium, magnesium, nickel, manganese and chromium content Ethyl acetate - Inductively Coupled Plasma Atomic Emission Spectrometry

1 Scope

GB/T 11066 provisions of this part of the gold in silver, copper, iron, lead, bismuth, antimony, palladium, magnesium, nickel, manganese and chromium content determination. This section applies to (99.95% to 99.99%) in silver, copper, iron, lead, bismuth, antimony, palladium, magnesium, nickel, chromium and manganese contents - gold. Determination Fan Wai in Table 1. Table 1 Element mass fraction /% Ag 0.0003 ~ 0.0500 Cu 0.0002 ~ 0.0400 Fe 0.0005 ~ 0.0100 Pb 0.0004 ~ 0.0300 Bi 0.0003 ~ 0.0100 Sb 0.0002 ~ 0.0100 Element mass fraction /% Pd 0.0005 ~ 0.0200 Mg 0.0003 ~ 0.0100 Ni 0.0001 ~ 0.0050 Cr 0.0001 ~ 0.0050 Mn 0.0001 ~ 0.0050

2 Method summary

Sample with a mixed acid decomposition in 3mol/L HCl medium, after separation of gold extracted with ethyl acetate, the aqueous phase concentrated hydrochloric acid medium to be made Test solution, using inductively coupled plasma atomic emission spectrometry determination of gold in silver, copper, iron, lead, bismuth, antimony, palladium, magnesium, nickel, manganese and chromium Amount.

3 Reagents

Unless otherwise indicated in the analysis using only recognized as analytical grade reagents and distilled or deionized water or equivalent purity. 3.1 hydrochloric acid (ρ1.19g/mL), pure class distinctions. 3.2 nitrate (ρ1.42g/mL), pure class distinctions. 3.3 nitric acid (1 + 1). 3.4 HCl (1 + 1). Hydrochloride 3.5 (1 + 3). Hydrochloride 3.6 (1 + 9). Mixed acid 3.7. 1 volume of nitric acid (3.2), 3 volumes of hydrochloric acid (3.1) and 3 volumes of water and mix well. 3.8 ethyl acetate. 3.9 tartaric acid solution (500g/L) (pre-purified). Weigh 100g of tartaric acid in 500mL beaker, a suitable amount of water to dissolve completely shift The 500mL separating funnel, add 5mL hydrochloric acid (3.5), 20mL ethyl acetate (3.8), gently shaking 20s, standing stratification. Discarded The organic phase, the aqueous phase into the original beaker, dilute with water to 200mL.

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