YS/T 855-2025 English PDF

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
YS/T 855-2025	RFQ	ASK	3 days	Gold granules	Valid
YS/T 855-2012	159	Add to Cart	3 days	Gold prill	Valid

Basic data

Standard ID: YS/T 855-2025 (YS/T855-2025)
Description (Translated English): Gold granules
Sector / Industry: Nonferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard: H68
Classification of International Standard: 77.150.99
Date of Issue: 2025-04-10
Date of Implementation: 2025-11-01
Older Standard (superseded by this standard): YS/T 855-2012
Issuing agency(ies): Ministry of Industry and Information Technology

YS/T 855-2012: Gold prill

---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.
Gold prill ICS 77.150.99 H68 People's Republic of China Nonferrous Metals Industry Standard Gold particles Goldpril Issued on. 2012-12-28 2013-06-01 implementation Ministry of Industry and Information Technology of the People's Republic of China released

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. This standard by the national non-ferrous metals Standardization Technical Committee (SAC/TC243) centralized. This standard is drafted by. Yunnan Copper Industry Co., Ltd., China Nonferrous Metals Industry Standards and Metrology Institute for Quality. Participated in the drafting of this standard. Shandong Zhaojin Gold and Silver Refining Co., Sichuan Tin Chak precious metals limited liability company, Zijin Mining Group CO., LTD. The main drafters of this standard. Wu Zhiqing, Xu Yang Liang, Yan Hong, to Lei, Zhang Mian Hui, Zhuang Yukai, Chen Liyang, He Yongning, accounting Liao Pi. Gold particles

1 Scope

This standard specifies the requirements of the gold particles, test methods, inspection rules, marking, packaging, transportation, storage and quality certificate and contract (or order Manifest) content. This standard applies to all kinds of gold-bearing raw materials to produce gold particles. The products are mainly used in jewelry, decoration, electronics, chemical and other industries.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. GB/T 4134 ingot GB/T 8170 repair value expressed about the rules and limit values and judgment GB/T 11066 (all parts) Methods for chemical analysis of gold

3 Requirements

3.1 Categories Gold particles by chemical composition divided into four grades. IC-Au99.995, IC-Au99.99, IC-Au99.95, IC-Au99.5. 3.2 Technical Requirements 3.2.1 The chemical composition of the gold particles should meet the requirements GB/T 4134's. 3.2.2 IC-Au99.995, IC-Au99.99, IC-Au99.95 grade gold content (mass fraction) is 100% minus impurities in solid form Measuring the total margin. IC-Au99.5 grade gold content was determined directly derived. 3.2.3 demand side, such as the chemical composition of the gold particles have special requirements, negotiated by the supply and demand sides. 3.3 Physical Specifications 3.3.1 gold grains granular. 3.3.2 The maximum particle size of the gold particles is not greater than 15mm, the minimum of not less than 1mm. Particle size of the gold particles can also be carried out by both supply and demand Consultations. 3.3.3 gold particles by weight of GB/T 8170 provisions of rounding to 0.01g. 3.4 appearance quality 3.4.1 the surface of gold particles may not have dirt or grease. 3.4.2 gold particles must not contain visible foreign inclusions.

4 test methods

Arbitration chemical composition analysis method 4.1 gold particles according to the provisions of GB/T 11066 performed. ......

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