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GB/T 11066.5-2008 English PDF

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GB/T 11066.5-2008: Methods for chemical analysis of gold -- Determination of silver, copper, iron, lead, antimony and bismuth contents -- Atomic emission spectrometry
Status: Valid

GB/T 11066.5: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 11066.5-2008English139 Add to Cart 3 days [Need to translate] Methods for chemical analysis of gold -- Determination of silver, copper, iron, lead, antimony and bismuth contents -- Atomic emission spectrometry Valid GB/T 11066.5-2008
GB/T 11066.5-1989English199 Add to Cart 2 days [Need to translate] Gold--Determination of silver, copper, lead, and bismuth contents--Emission spectrographic method Obsolete GB/T 11066.5-1989

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Basic data

Standard ID GB/T 11066.5-2008 (GB/T11066.5-2008)
Description (Translated English) Methods for chemical analysis of gold -- Determination of silver, copper, iron, lead, antimony and bismuth contents -- Atomic emission spectrometry
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard H68
Classification of International Standard 77.150.99
Word Count Estimation 6,695
Date of Issue 2008-06-09
Date of Implementation 2008-12-01
Older Standard (superseded by this standard) GB/T 11066.5-1989
Regulation (derived from) National Standard Approval Announcement 2008 No.9 (Total No.122)
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, antimony and bismuth determination, lead, copper, iron. This section applies to gold (mass fraction of 99. 95% to 99. 99%) in silver, iron, , lead, determination of antimony and bismuth, while copper.

GB/T 11066.5-2008: Methods for chemical analysis of gold -- Determination of silver, copper, iron, lead, antimony and bismuth contents -- 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. Determination of silver, copper, iron, lead, antimony and bismuth contents. Atomic emission spectrometry ICS 77.150.99 H68 National Standards of People's Republic of China Replacing GB/T 11066.5-1989 Methods for chemical analysis of gold Determination of silver, copper, iron, lead, antimony and bismuth content Atomic Emission Spectrometry Posted 2008-06-09 2008-12-01 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 10 sections as follows. --- 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 by flame atomic absorption spectrometry; --- Flame atomic GB/T 11066.4 gold chemical analysis of copper, lead and bismuth contents absorption spectrometry; --- GB/T 11066.5 gold chemical analysis method for determination of atomic silver, copper, iron, lead, antimony and bismuth amount of 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, bismuth, antimony, palladium, magnesium, nickel, manganese and chromium contents - ethyl acetate Ester extraction -ICP-AES method; --- GB/T 11066.9 gold chemical analysis method for determination of arsenic and tin hydride - atomic fluorescence spectrometry; --- GB/T 11066.10 Determination of gold chemical analysis of silicon content - Molybdenum blue spectrophotometric method. This is Part 5. This Part replaces GB/T 11066.5-1989 "gold chemical analysis method for transmitting method for the determination of silver, copper, iron, lead, antimony and bismuth amount of spectrum." This section compared with the GB/T 11066.5-1989, the main changes are as follows. --- Deleted the reference standard, and the method has been modified feed content; --- Will "lgR-lgC" drawing working curve to modify "lgR-lg" drawing working curve; --- Remove the analysis results, "gold content determination"; --- Instead of using precision allowable difference. This part. silver content ranges from 0.0005% to 0.0200% ~ arbitration measure recommended Part 2; copper content range Arbitration measure recommended 0.0005% 0.0200% Part 4; Lead content measurement range arbitration 0.0005% 0.0060% The amount recommended Part 4; bismuth content ranges from 0.0005% to 0.0030% ~ arbitration measure recommended Part 4; mass fraction of iron Number range than 0.0010% 0.0080% Arbitration measure recommended Part 3. 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 the Chengdu Banknote Printing Company. This section drafted by the Chengdu Banknote Printing Company, Shenyang Mint, Beijing General Research Institute of Mining and Metallurgy. This in part by the Shanghai Mint, the National Gold and Silver Products Quality Supervision and Inspection Centre (Changchun) participated in the drafting. The main drafters of this section. Wang Zisen, Chen Jie, Lai Maoming, Wang Yu, Zhang Bo, Huang Rui, Chen Feifei, Lihua Chang, Fu Bin, in force, Yang Xiaodong, Ma Yuqin, Mu Hua, Zhang Bo, Kim Chang Kai, Li Hongzhen, Bob Hill. This part certifier. Chen Li, Zhuxiu Fen, Huang Minhua. This part of the standard replaces the previous editions are. --- GB/T 11066.5-1989. Methods for chemical analysis of gold Determination of silver, copper, iron, lead, antimony and bismuth content Atomic Emission Spectrometry

1 Scope

This section provides the gold in silver, copper, iron, lead, antimony and bismuth determination. This section applies to gold (mass fraction of 99.95% to 99.99%) in silver, copper, iron, lead, antimony and bismuth simultaneously. Determination Fan Wai in Table 1. Table 1 Element measurement range/measuring range of elements% /% Ag 0.0005 ~ 0.0200 Pb 0.0005 ~ 0.0100 Cu 0.0005 ~ 0.0200 Sb 0.0010 ~ 0.0100 Fe 0.0010 ~ 0.0100 Bi 0.0005 ~ 0.0100

2 Method summary

Using the working curve method using a gold rod electrodes, AC arc excitation, gold silver, copper, iron, lead, antimony and bismuth spectral Determination.

3 Reagents and materials

Unless otherwise indicated in the analysis using only recognized as analytical grade reagents and distilled or deionized water or equivalent purity. 3.1 ethanol. 3.2 developer A. 2g rhodol sulfate (metol), 52g of anhydrous sodium sulfite, 10g hydroquinone, dissolved in 700mL sequentially Water (35 ℃ ~ 45 ℃) after it has cooled and diluted to 1000mL mix. 3.3 developer B. 40g anhydrous sodium carbonate, 12g potassium bromide, successively dissolved in 700mL water (35 ℃ ~ 45 ℃) after it has cooled and diluted to 1000mL and mix. 3.4 fixing solution. 240g of sodium thiosulfate, 15g of anhydrous sodium sulfite, 15mL of glacial acetic acid (98%), 7.5g boric acid, alum 15g, successively Dissolved in 700mL water (35 ℃ ~ 45 ℃) after it has cooled and diluted to 1000mL mix. 3.5 cotton. 3.6-plate. UV-Ⅱ type. 3.7 Sample. certified standard sample spectrum, the impurity elements in the scope shall cover the method for the determination of the scope.

4 instruments and equipment

4.1 Spectrograph. Medium raster (or prism) spectrograph. Reciprocal linear dispersion of not less than 0.8nm/mm. 4.2 source. AC arc generator. 4.3 micrometer photometer. 4.4 electrode lathe. 4.5 Files. chrome flat file fine lines.

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