GB/T 15072.16-2008 English PDF

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GB/T 15072.16-2008: Test method of precious metal alloys -- Determination of copper and manganese contents for gold alloys -- Inductively coupled plasma atomic emission spectrometry
Status: Valid

GB/T 15072.16: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 15072.16-2008	189	Add to Cart	3 days	Test method of precious metal alloys -- Determination of copper and manganese contents for gold alloys -- Inductively coupled plasma atomic emission spectrometry	Valid
GB/T 15072.16-1994	199	Add to Cart	2 days	Gold alloys-Determination of copper and manganese contents	Obsolete

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GB/T 17472   GB/T 17473.2   GB/T 17473.5   GB/T 15072.12   GB/T 15072.13   GB/T 15072.11   

Basic data

Standard ID: GB/T 15072.16-2008 (GB/T15072.16-2008)
Description (Translated English): Test method of precious metal alloys -- Determination of copper and manganese contents for gold alloys -- Inductively coupled plasma atomic emission spectrometry
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: H68
Classification of International Standard: 77.120.99
Word Count Estimation: 8,821
Date of Issue: 2008-03-31
Date of Implementation: 2008-09-01
Older Standard (superseded by this standard): GB/T 15072.16-1994
Quoted Standard: YS/T 371
Regulation (derived from): National Standard Approval Announcement 2008 No.5 (Total No.118)
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 determination of gold alloy of copper and manganese content. This section applies to AuAgCuGd, determination AuGeNiCu alloy of copper and manganese contents, AuAgCuMnGd, AuNiCu. Measuring range (mass fraction): 0. 5% to 6%.

GB/T 15072.16-2008: Test method of precious metal alloys -- Determination of copper and manganese contents for gold alloys -- 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.
Test method of precious metal alloys. Determination of copper and manganese contents for glold alloys. Inductively coupled plasma atomic emission spectrometry ICS 77.120.99 H68 National Standards of People's Republic of China Replacing GB/T 15072.16-1994 Precious metal alloys - Determination of gold alloy of copper and manganese contents Inductively coupled plasma atomic emission spectrometry Posted 2008-03-31 2008-09-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard is GB/T 15072-1994 "precious metals and their alloys -" (all parts) the integration of amendments into Part 19. Determination --- GB/T 15072.1-2008 Methods for chemical analysis of precious metal alloys of gold, platinum, palladium, gold alloy amount of ferrous sulfate Potentiometric titration; --- GB/T 15072.2-2008 Methods for chemical analysis of precious metal alloys silver alloys Determination of silver content of sodium chloride potential drop Titration; --- GB/T 15072.3-2008 Methods for chemical analysis of precious metal alloys of gold, platinum, palladium, platinum alloys determining the amount of potassium permanganate Current titration; --- GB /15072.4-2008 Methods for chemical analysis of precious metal alloys of palladium, silver-palladium alloy determining the amount of T-dimethyl glyoxal Gravimetric method; --- GB/T 15072.5-2008 Methods for chemical analysis of precious metal alloys of gold, measuring the potential of potassium iodide palladium alloy of silver content drops Titration; --- GB/T 15072.6-2008 precious metal alloys - Determination of platinum, palladium, iridium alloy in determining the amount of ferrous sulfate Current titration; --- GB/T 15072.7-2008 precious metal alloys - Gold alloys chromium and iron content - Inductively coupled plasma Plasma atomic emission spectrometry; --- GB/T 15072.8-2008 precious metal alloys - gold, palladium, silver and copper alloys - Determination of the amount of precipitation thiourea EDTA complexometric back titration; --- GB/T 15072.9-2008 precious metal alloys - Gold alloys - Determination of the amount of indium by EDTA back drop Titration; --- GB/T 15072.10-2008 precious metal alloys - Gold alloys - Determination of nickel by EDTA back drop Titration; --- GB/T 15072.11-2008 precious metal alloys - gold alloy of gadolinium and beryllium content - Inductively coupled plasma Plasma atomic emission spectrometry; --- GB T 15072.12-2008 precious metal alloys - Silver alloys - Determination of vanadium content/hydrogen peroxide spectrophotometer Law degree; --- GB/T 15072.13-2008 precious metal alloys - Tin in silver, cerium and lanthanum content - Inductively coupled Plasma atomic emission spectrometry; --- GB/T 15072.14-2008 precious metal alloys - silver alloy of aluminum and nickel content - Inductively coupled plasma Plasma atomic emission spectrometry; --- GB T 15072.15-2008 precious metal alloys - gold, silver, palladium alloy of nickel, zinc and manganese contents / Inductively coupled plasma atomic emission spectrometry; --- GB/T 15072.16-2008 precious metal alloys - gold alloy of copper and manganese content - Inductively coupled plasma Plasma atomic emission spectrometry; --- GB/T 15072.17-2008 precious metal alloys - Determination of tungsten content of a platinum alloy of tungsten trioxide weight Method; --- GB/T 15072.18-2008 precious metal alloys - Gold alloys of zirconium and gallium content - Inductively coupled plasma Plasma atomic emission spectrometry; --- GB/T 15072.19-2008 precious metal alloys - silver vanadium alloys and magnesium content - Inductively coupled plasma Plasma atomic emission spectrometry. This section GB/T 15072-2008 Part 16. This Part replaces GB/T 15072.16-1994 "chemical analysis of precious metals and their alloys - Gold alloys of copper, manganese contents." This section compared with the GB/T 15072.16-1994, have the following main changes. --- Name from "chemical analysis of precious metals and their alloys of copper, gold alloy and manganese contents" to "precious metal alloys stars Analytical methods gold alloy of copper and manganese content - Inductively coupled plasma atomic emission spectrometry "; --- By inductively coupled plasma atomic emission spectrometry using a standard instead of the original flame atomic absorption spectrometry; --- The scope of the original standard method AuAgCuMnGd33.5-3.0-2.5-0.4, AuAgCuGd35-5-0.4, AuCu- Ni7.5-1.5 alloy extended to AuAgCuGd, AuAgCuMnGd, AuNiCu, AuGeNiCu series alloy; wherein Au- GeNiCu for the new series; --- Measurement range of copper (mass fraction) from 1% to 6% expansion to 0.5% to 6%, the measurement range of manganese (mass fraction) from 2% ~ Expanded 0.5% to 4% to 6%; --- Using the internal standard method improves the precision and accuracy of the method; --- Repeatability and allows the use of relatively poor poor allowed to replace the original criteria used. 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 your research Platinum Ltd. is responsible for drafting. The main drafters of this section. Fang Wei, Li Kai, the Luo Yijiang, Ma Yuan, Liu Wei, Li Yonglan. This part certifier. and He Ping, Sun Xiaodong. This part of the standard replaces the previous editions are. --- GB/T 15072.16-1994. Precious metal alloys - Determination of gold alloy of copper and manganese contents Inductively coupled plasma atomic emission spectrometry

1 Scope

This section provides determination gold alloy of copper and manganese contents. This section applies to AuAgCuGd, AuAgCuMnGd, AuNiCu, AuGeNiCu determination of copper alloy and manganese contents. Determination Fan Wai (mass fraction). 0.5% to 6%.

2 Normative references

The following documents contain provisions which, through reference in this text, constitute provisions of this part. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this section, however, encourage the parties to this part of the research agreement Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this section. 371 precious metal alloys - General rules and regulations YS/T

3 Method summary

Samples with hydrochloric acid - nitric acid mixture is dissolved in hydrochloric acid and precipitation of silver, gold sulfite reducing separation, yttrium is added as an internal standard by inductively coupled Plasma atomic emission spectrometry (hereinafter referred to as ICP-AES) was measured to calculate the mass fraction of copper and manganese.

4 Reagents and materials

Unless otherwise noted, the standard reagents and materials shall comply with the provisions of YS/T 371's. 4.1 Argon ((Ar) ≥99.95%). 4.2 hydrochloride (ρ1.19g/mL). Nitrate 4.3 (ρ1.42g/mL). 4.4 hydrochloric acid - nitric acid mixture (8 + 1), when using the existing service. Hydrochloride 4.5 (1 + 9). 4.6 sulfite (to SO2, at a level of not less than 6%). 4.7 Copper stock standard solution. Accurately weigh 0.1000g copper ((Cu) ≥99.99%), placed in 200mL beaker. Join 3mL 3mL water and nitric acid (4.3), cover the surface of the pan, heat to dissolve completely boil drive to make nitrogen oxides. Cooled to room temperature, washed with hydrochloric acid (4.5) Transferred to 100mL volumetric flask and dilute to volume. Mix well. 1mL solution containing 1mg of copper. 4.8 Mn stock standard solution. Accurately weigh 0.1000g of manganese metal ((Mn) ≥99.99%), placed in 200mL beaker. Join 5mL water and 5mL nitric acid (4.3), cover the surface of the pan, heat to dissolve completely boil drive to make nitrogen oxides. Cooled to room temperature, washed with hydrochloric acid (4.5) transferred to 100mL volumetric flask and dilute to volume. Mix well. 1mL solution containing 1mg manganese. 4.9 yttrium stock standard solution. Accurately weigh 0.1270g yttria ((Y2O3) ≥99.99%), placed in 200mL beaker. Added 10mL of hydrochloric acid (4.5), cover the surface of the pan, over low heat until dissolved completely. Cooled to room temperature and transferred to 100mL container with hydrochloric acid (4.5) Volumetric flask and dilute to the mark. Mix well. 1mL solution containing 1mg yttrium.

5 Instruments

ICP-AES instrument. Under optimum working conditions for those who can reach the following indicators can be used. ......

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