China Precious metal alloy GB Standards Search Result |
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GB/T 15072.12-2008 Test method of Precious metal alloys - Determination of nickel contents for silver alloys - Hydrogen peroxide spectrophotometry - 英文版 |
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GB/T 15072.11-2008 Test method of Precious metal alloys - Determination of gadolinium and beryllium contents for gold alloys - Inductively coupled plasma atomic emission spectrometry - 英文版 |
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GB/T 15072.10-2008 Test method of Precious metal alloys - Determination of nickel content for gold alloys - Complexometric backing titration using EDTA - 英文版 |
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GB/T 21198.6-2007 Determination of precious metals in precious metals jewellery alloys - Method using ICP spectrometry - Part 6：Difference method - 英文版 |
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GB/T 21198.5-2007 Determination of precious metals in precious metals jewellery alloys - Method using ICP spectrometry - Part 5：999‰ silver jewellery alloys - Determination of silver - Difference method - 英文版 |
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GB/T 21198.4-2007 Determination of precious metals in precious metals jewellery alloys - Method using ICP spectrometry - Part 4：999‰ precious metals jewellery alloys - Determination of precious metals - Difference method - 英文版 |
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GB/T 21198.3-2007 Determination of precious metals in precious metals jewellery alloys - Method using ICP spectrometry - Part 3：Palladium jewellery alloys - Determination of palladium - Method using a solution with yttrium as internal standard element - 英文版 |
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GB/T 21198.2-2007 Determination of precious metals in precious metals jewellery alloys - Method using ICP spectrometry - Part 2：Platinum jewellery alloys - Determination of platinum - Method using the intensity ratios of all minor constituents with reference to platinum - 英文版 |
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GB/T 21198.1-2007 Determination of precious metals in precious metals jewellery alloys -Method using ICP spectrometry - Part 1：Platinum jewellery alloys - Determination of platinum - Method using a solution with yttrium as internal standard element - 英文版 |
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GB/T 19445-2004 Products of precious metalsand their alloys--Packing，marking，transporting and storing - 英文版 |
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GB/T 18762-2002 Filler precious metal and their alloy brazing materials - 英文版 |
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GB/T 18035-2000 Precious metals and its alloys designation system - 英文版 |
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GB/T 1425-1996 Determination of melting temperature range for precious metals and their alloys--Testing method of thermal analysis - 英文版 |
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GB/T 1424-1996 Method of measurement of resistivity of precious metals and their alloys - 英文版 |
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GB/T 1423-1996 Method of measurement of density for precious metals and their alloys - 英文版 |
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