YS/T 856-2025 English PDF

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
YS/T 856-2025	RFQ	ASK	3 days	Silver granules	Valid
YS/T 856-2012	159	Add to Cart	3 days	Silver prill	Valid

Basic data

Standard ID: YS/T 856-2025 (YS/T856-2025)
Description (Translated English): Silver 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Older Standard (superseded by this standard): YS/T 856-2012
Issuing agency(ies): Ministry of Industry and Information Technology

YS/T 856-2012: Silver 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.
Silver prill ICS 77.150.99 H68 People's Republic of China Nonferrous Metals Industry Standard Silver particles Silverpril 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. Silver particles

1 Scope

This standard specifies the requirements for silver 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 silver-containing raw materials to produce silver particles. The products are mainly used in jewelry, electronics, photography, jewelery, decoration industry.

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 4135 Silver GB/T 8170 repair value expressed about the rules and limit values and judgment GB/T 11067 (all parts), chemical analysis of silver

3 Requirements

3.1 Categories Silver particles by chemical composition is divided into three grades. IC-Ag99.99, IC-Ag99.95, IC-Ag99.90. 3.2 Chemical composition 3.2.1 The chemical composition of silver particles according to GB/T 4135 requirements of. 3.2.2 IC-Ag99.99, content (mass fraction) IC-Ag99.95 grades of silver is 100% minus impurities Found specified in the table The resulting sum, IC-Ag99.90 grade silver mass fraction is determined directly derived. 3.2.3 demand side, such as the chemical composition of the silver particles have special requirements, agreed upon by both parties. 3.3 Physical Specifications 3.3.1 granular silver particles. 3.3.2 The maximum particle size of the silver particles is not greater than 15mm, the minimum of not less than 1mm. Particle size of the silver particles can also be carried out by both supply and demand Convention. 3.3.3 silver particles by weight of GB/T 8170 provisions of rounding to 0.1g. 3.4 Appearance 3.4.1 silver particles must not contain visible foreign inclusions. 3.4.2 The surface of the silver particles may not have dirt or grease.

4 test methods

4.1 silver particles analyzed by the chemical composition of the arbitration provision in the 11067 GB/T performed. ......

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