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GB/T 17684-2008: Terminology for precious metals and their alloys
Status: Valid GB/T 17684: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 17684-2008 | English | 439 |
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4 days [Need to translate]
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Terminology for precious metals and their alloys
| Valid |
GB/T 17684-2008
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| GB/T 17684-1999 | English | 679 |
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5 days [Need to translate]
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The terminology for precious metals and their alloys
| Obsolete |
GB/T 17684-1999
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PDF similar to GB/T 17684-2008
Basic data | Standard ID | GB/T 17684-2008 (GB/T17684-2008) | | Description (Translated English) | Terminology for precious metals and their alloys | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H68 | | Classification of International Standard | 77.120.99 | | Word Count Estimation | 19,163 | | Date of Issue | 2008-03-31 | | Date of Implementation | 2008-09-01 | | Older Standard (superseded by this standard) | GB/T 17684-1999 | | Regulation (derived from) | National Standard Approval Announcement 2008 No.5 (Total No.118) | | Issuing agency(ies) |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 terms commonly used precious metals and their alloys. This standard applies to the production of precious metals and their alloys, application, inspection, circulation, areas of research and teaching, as a unified technical term basis. | GB/T 17684-2008: Terminology for precious metals and their alloys---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.
Terminology for precious metals and their alloys
ICS 77.120.99
H68
National Standards of People's Republic of China
Replacing GB/T 17684-1999
Precious metals and their alloys - Terms
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 replaces GB/T 17684-1999 "precious metals and their alloys term."
This standard compared with GB/T 17684-1999, the main changes are as follows.
--- Increased precious metal electrical contact materials special terms;
--- Increased precious metal shape memory alloys, precious metal photographic materials, precious metals nano powder, precious metal brazing, precious metal alloy solder paste
Materials, precious metal winding materials, precious metal conductive ring material, curable precious metal paste, paste and other precious metal sintering term;
--- Original standard terms such as palladium silver resistor paste removal;
--- Original standard temperature material further refinement, the original standard terminology only explanation for the precious metal temperature materials, and this standard solution
Based on the interpretation of the term precious metal temperature materials into precious metal thermocouples and platinum resistance thermometers categories;
--- Original standard terminology precious metal solder to solder precious metals and precious metals into the noble metal vacuum brazing filler metal and precious metal
Metal alloy solder paste;
There are variations on the standard structure --- the original.
The standard proposed by China Nonferrous Metals Industry Association.
This standard Nonferrous Metals by the National Standardization Technical Committee.
This standard by your research Platinum Ltd., there is research billion of the new Materials Co., Ltd. is responsible for drafting
The main drafters of this standard. Shen Liqin, Wang Jian, Yunnan Zhuang Xiang, Zhou Shiping, Jiangchuan Gui, Ma Yunqiu, Lv Baoguo, Xiong Feng Jing Su.
This standard replaces the standards previously issued as follows.
--- GB/T 17684-1999.
Precious metals and their alloys - Terms
1 Scope
This standard specifies the terms commonly used precious metals and their alloys.
This standard applies to precious metals and their alloys production, application, testing, circulation, research and teaching, as a unified technical terms
in accordance with.
2 general terms
2.1
Gold, silver and platinum group metals collectively.
2.1.1
Silver, ruthenium, rhodium, palladium collectively. Density between 10g/cm3 ~ 12g/cm3.
2.1.2
Gold, osmium, iridium, platinum collectively. Density between 19g/cm3 ~ 22g/cm3.
2.2
Metal elements ruthenium, rhodium, collectively, palladium, osmium, iridium, platinum.
2.3
It composed of a noble metal elements, the mass fraction of greater than or equal to 99.9%.
2.3.1.
Purity of 99.9% to 99.99% of the gold.
2.3.2
Purity of 99.9% to 99.99% silver.
2.3.3
Purity of 99.9% to 99.999% platinum.
2.3.4
99.9% 99.995% palladium.
2.3.5
Purity of 99.9% to 99.99% rhodium.
2.3.6
Purity 99.9% ~ 99.99% iridium.
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