YS/T 855: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| YS/T 855-2025 | English | RFQ |
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Gold granules
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YS/T 855-2025
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| YS/T 855-2012 | English | 159 |
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Gold prill
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YS/T 855-2012
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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Standard | 77.150.99 | | Date of Issue | 2025-04-10 | | Date of Implementation | 2025-11-01 | | Older Standard (superseded by this standard) | YS/T 855-2012 | | Issuing agency(ies) | Ministry of Industry and Information Technology | YS/T 855-2012: Gold prill---This is a DRAFT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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