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GB/T 11066.12-2024: Methods for chemical analysis of gold - Part 12: Determination of silver, copper, iron, lead, bismuth, antimony, magnesium, nickel, manganese, palladium, chromium, platinum, rhodium, titanium, zinc, arsenic, tin, silicon, cobalt, calcium, potassium, lithi
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Methods for chemical analysis of gold - Part 12: Determination of silver, copper, iron, lead, bismuth, antimony, magnesium, nickel, manganese, palladium, chromium, platinum, rhodium, titanium, zinc, arsenic, tin, silicon, cobalt, calcium, potassium, lithi
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GB/T 11066.12-2024
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Basic data | Standard ID | GB/T 11066.12-2024 (GB/T11066.12-2024) | | Description (Translated English) | Methods for chemical analysis of gold - Part 12: Determination of silver, copper, iron, lead, bismuth, antimony, magnesium, nickel, manganese, palladium, chromium, platinum, rhodium, titanium, zinc, arsenic, tin, silicon, cobalt, calcium, potassium, lithi | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H15 | | Classification of International Standard | 77.040.30 | | Word Count Estimation | 54,585 | | Date of Issue | 2024-04-25 | | Date of Implementation | 2024-11-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 11066.12-2024: Methods for chemical analysis of gold - Part 12: Determination of silver, copper, iron, lead, bismuth, antimony, magnesium, nickel, manganese, palladium, chromium, platinum, rhodium, titanium, zinc, arsenic, tin, silicon, cobalt, calcium, potassium, lithi
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ICS 77:040:30
CCSH15
National Standards of People's Republic of China
Gold chemical analysis method
Part 12: Silver, copper, iron, lead, bismuth, antimony, magnesium,
Nickel, manganese, palladium, chromium, platinum, rhodium, titanium, zinc, arsenic, tin,
Silicon, cobalt, calcium, potassium, lithium, sodium, tellurium, vanadium, zirconium, cadmium,
Determination of molybdenum, rhenium and aluminum content
Inductively coupled plasma atomic emission spectrometry
magnesium,nickel,manganese,paladium,chromium,platinum,rhodium,
titanium,zinc,arsenic,tin,silicon,cobalt,calcium,potassium,lithium,
sodium,telurium,vanadium,zirconium,cadmium,molybdenum,rhenium,
Published on April 25, 2024, implemented on November 1, 2024
State Administration for Market Regulation
The National Standardization Administration issued
Table of Contents
Preface III
Introduction IV
1 Scope 1
2 Normative references 1
3 Terms and Definitions 2
4 Principle 2
5 Reagents or materials 2
6 Instruments and Equipment 5
7 Sample 5
7:1 Sample 5
7:2 Test sample 5
8 Test Step 5
8:1 Blank test 5
8:2 Number of measurements 5
8:3 Determination 5
8:4 Drawing of working curve 6
9 Experimental data processing 6
10 Precision 7
10:1 Repeatability 7
10:2 Reproducibility 10
11 Test Report 13
Appendix A (Informative) Recommended Inductively Coupled Plasma Atomic Emission Spectrometer Operating Conditions Parameters 14
Appendix B (Informative) Examples of the use of multi-line fitting method in inductively coupled plasma atomic emission spectrometry 15
Appendix C (Informative) Precision Test Raw Data 16
Foreword
This document is in accordance with the provisions of GB/T 1:1-2020 "Guidelines for standardization work Part 1: Structure and drafting rules for standardization documents"
Drafting:
This document is part 12 of GB/T 11066 “Chemical analysis methods for gold”: GB/T 11066 has been published in the following parts:
--- Determination of gold content by fire assay;
--- Determination of silver content by flame atomic absorption spectrometry;
--- Determination of iron content by flame atomic absorption spectrometry;
--- Determination of copper, lead and bismuth content by flame atomic absorption spectrometry;
--- Determination of silver, copper, iron, lead, antimony and bismuth by atomic emission spectrometry;
--- Determination of magnesium, nickel, manganese and palladium content by flame atomic absorption spectrometry;
--- Determination of the amount of silver, copper, iron, lead, antimony, bismuth, palladium, magnesium, tin, nickel, manganese and chromium by spark atomic emission spectrometry;
--- Determination of silver, copper, iron, lead, antimony, bismuth, palladium, magnesium, nickel, manganese and chromium by ethyl acetate extraction - inductively coupled plasma atomic emission
Spectroscopy;
--- Determination of arsenic and tin content by hydride generation-atomic fluorescence spectrometry;
--- Determination of silicon content by molybdenum blue spectrophotometry;
--- Part 11: Determination of magnesium, chromium, manganese, iron, nickel, copper, palladium, silver, tin, antimony, lead and bismuth content by inductively coupled plasma mass spectrometry
Spectrum;
--- Part 12: Silver, copper, iron, lead, bismuth, antimony, magnesium, nickel, manganese, palladium, chromium, platinum, rhodium, titanium, zinc, arsenic, tin, silicon, cobalt, calcium, potassium, lithium, sodium,
Determination of tellurium, vanadium, zirconium, cadmium, molybdenum, rhenium and aluminum contents - Inductively coupled plasma atomic emission spectrometry:
Please note that some of the contents of this document may involve patents: The issuing organization of this document does not assume the responsibility for identifying patents:
This document was proposed by China Nonferrous Metals Industry Association:
This document is under the jurisdiction of the National Technical Committee on Standardization of Nonferrous Metals (SAC/TC243):
This document was drafted by: Zijin Mining Group Co:, Ltd:, Fujian Zijin Mining and Metallurgical Testing Technology Co:, Ltd: Xiamen Branch, North Mining
Testing Technology Co:, Ltd:, Daye Nonferrous Design and Research Institute Co:, Ltd:, Shenzhen Zhongjin Lingnan Nonferrous Metals Co:, Ltd:, Nonferrous
Metal Technology and Economic Research Institute Co:, Ltd:, Shandong Hengbang Smelting Co:, Ltd:, Huajin National Inspection (Shenzhen) Gold and Silver Jewelry Inspection Center
Co:, Ltd:, Zijin Copper Co:, Ltd:, Northeastern University, Zhejiang Suichang Huijin Nonferrous Metals Co:, Ltd:
The main drafters of this document are: Chen Zhuhai, Zhang Yuan, Li Chenxi, Wang Lingling, Luo Ronggen, Long Xiujia, Ren Chenyang, Chen Lan, Yang Jianbing, Xu Menglin,
Wang Wei, Liu Fangmei, Xia Xiujuan, Du Hao, Zeng Jing, Zuo Hongyi, Xie Feng, Fu Xiaoqin, Che Xiaoting, Zhong Minhui, Cao Haizhou:
Introduction
GB/T 11066 "Chemical Analysis Methods for Gold" has been published in 11 parts, covering silver, iron, copper, lead, bismuth, antimony, magnesium, nickel, palladium, manganese, chromium, arsenic,
However, as gold refineries, raw material suppliers, consumers, third-party arbitration institutions and intermediary traders have been
Gold quality control is becoming increasingly strict, and the types of impurity elements required to be tested for gold ingots are increasing, and the testing time requirements are becoming higher and higher; therefore, efficient and accurate
It is particularly important to accurately detect the chemical composition of gold: GB/T 11066 consists of 12 parts according to different test objects and test methods:
constitute:
--- Part 1: Determination of gold content - Fire assay method: The purpose is to specify the fire assay method for gold content in gold and the applicable determination range:
--- Part 2: Determination of silver content by flame atomic absorption spectrometry: The purpose is to specify the flame atomic absorption spectrometry of the silver content in gold:
Spectrum method and applicable measurement range:
--- Part 3: Determination of iron content Flame atomic absorption spectrometry: The purpose is to specify the flame atomic absorption spectrometry of iron content in gold:
Spectrum method and applicable measurement range:
--- Part 4: Determination of copper, lead and bismuth content by flame atomic absorption spectrometry: The purpose is to specify the copper, lead and bismuth content in gold:
Flame atomic absorption spectrometry and its applicable measurement range:
--- Part 5: Determination of silver, copper, iron, lead, antimony and bismuth content by atomic emission spectrometry:
Atomic emission spectrometry for lead, antimony and bismuth content and applicable determination range:
--- Part 6: Determination of magnesium, nickel, manganese and palladium content by flame atomic absorption spectrometry: The purpose is to specify the magnesium, nickel, manganese and palladium in gold
Flame atomic absorption spectrometry for determination of content and its applicable measurement range:
--- Part 7: Determination of the amount of silver, copper, iron, lead, antimony, bismuth, palladium, magnesium, tin, nickel, manganese and chromium by spark atomic emission spectrometry: Purpose
Spark atomic emission spectrometry for determining the content of silver, copper, iron, lead, antimony, bismuth, palladium, magnesium, tin, nickel, manganese and chromium in gold and applicable
Measurement range:
--- Part 8: Determination of silver, copper, iron, lead, antimony, bismuth, palladium, magnesium, nickel, manganese and chromium content - Ethyl acetate extraction - Inductively coupled plasma
Ethyl acetate is used to determine the content of silver, copper, iron, lead, antimony, bismuth, palladium, magnesium, nickel, manganese and chromium in gold:
Ester extraction-inductively coupled plasma atomic emission spectrometry and its applicable measurement range:
--- Part 9: Determination of arsenic and tin content - hydride generation - atomic fluorescence spectrometry: The purpose is to specify the arsenic and tin content in gold
Hydride generation-atomic fluorescence spectrometry and its applicable measurement range:
--- Part 10: Determination of silicon content - molybdenum blue spectrophotometric method: The purpose is to specify the molybdenum blue spectrophotometric method for the determination of silicon content in gold and its applicable
The measurement range used:
--- Part 11: Determination of magnesium, chromium, manganese, iron, nickel, copper, palladium, silver, tin, antimony, lead and bismuth content by inductively coupled plasma mass spectrometry
The purpose is to specify the inductively coupled plasma mass spectrometry (ICP) method for the content of magnesium, chromium, manganese, iron, nickel, copper, palladium, silver, tin, antimony, lead and bismuth in gold:
Spectrum method and applicable measurement range:
--- Part 12: Silver, copper, iron, lead, bismuth, antimony, magnesium, nickel, manganese, palladium, chromium, platinum, rhodium, titanium, zinc, arsenic, tin, silicon, cobalt, calcium, potassium, lithium, sodium,
Determination of tellurium, vanadium, zirconium, cadmium, molybdenum, rhenium and aluminum content by inductively coupled plasma atomic emission spectrometry:
The gold content was determined by inductively coupled plasma atomic emission spectrometry using calibration methods such as matching-standard curve method and multi-spectral fitting method:
Silver, copper, iron, lead, bismuth, antimony, magnesium, nickel, manganese, palladium, chromium, platinum, rhodium, titanium, zinc, arsenic, tin, silicon, cobalt, calcium, potassium, lithium, sodium, tellurium, vanadium, zirconium,
Cadmium, molybdenum, rhenium, and aluminum content, improve detection timeliness, meet the needs of the gold ingot market, effectively reduce trade risks, and improve gold ingot detection
quality:
Gold chemical analysis method
Part 12: Silver, copper, iron, lead, bismuth, antimony, magnesium,
Nickel, manganese, palladium, chromium, platinum, rhodium, titanium, zinc, arsenic, tin,
Silicon, cobalt, calcium, potassium, lithium, sodium, tellurium, vanadium, zirconium, cadmium,
Determination of molybdenum, rhenium and aluminum content
Inductively coupled plasma atomic emission spectrometry
Warning---People who use this document should have practical experience in formal laboratory work: This document does not address all possible safety issues:
The user is responsible for taking appropriate safety and health measures and ensuring compliance with the conditions stipulated in relevant national laws and regulations:
1 Scope
This document describes the silver, copper, iron, lead, bismuth, antimony, magnesium, nickel, manganese, palladium, chromium, platinum, rhodium, titanium, zinc, arsenic, tin, silicon, cobalt, calcium, potassium, lithium,
Methods for determination of sodium, tellurium, vanadium, zirconium, cadmium, molybdenum, rhenium and aluminium contents:
This document applies to silver, copper, iron, lead, bismuth, antimony, magnesium, nickel, manganese, palladium, chromium, platinum, rhodium, titanium, zinc, arsenic, tin, silicon, cobalt, calcium, potassium, lithium,
Determination of the content of sodium, tellurium, vanadium, zirconium, cadmium, molybdenum, rhenium and aluminum: The determination range of each element is shown in Table 1:
Table 1 Measurement range
element
Measurement range (mass fraction)
element
Measurement range (mass fraction)
element
Measurement range (mass fraction)
Ag 0:0003~0:0500 Cr 0:0002~0:0500 K 0:0002~0:0500
Cu 0:0004~0:0500 Pt 0:0003~0:0500 Li 0:0002~0:0500
Fe 0:0003~0:0500 Rh 0:0004~0:0500 Na 0:0002~0:0500
Pb 0:0004~0:0500 Ti 0:0002~0:0500 Te 0:0003~0:0500
Bi 0:0005~0:0500 Zn 0:0003~0:0500 V 0:0002~0:0500
Sb 0:0005~0:0500 As 0:0005~0:0500 Zr 0:0002~0:0500
Mg 0:0002~0:0500 Sn 0:0005~0:0500 Cd 0:0002~0:0500
Ni 0:0003~0:0500 Si 0:0004~0:0500 Mo 0:0002~0:0500
Mn 0:0002~0:0500 Co 0:0002~0:0500 Re 0:0002~0:0500
Pd 0:0003~0:0500 Ca 0:0002~0:0500 Al 0:0002~0:0500
2 Normative references
The contents of the following documents constitute the essential clauses of this document through normative references in this document:
For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to
This document:
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