GB - Chinese national standards

Methods for chemical analysis of precious metals alloys—Determination of gold content for gold,platinum and palladium alloys—Potentiometric titration using ferrous sulfate

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Methods for chemical analysis of precious metal alloys—Part 1: Determination of gold content

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Test method of precious metal alloys - Determination of nickel content for gold alloys - Complexometric backing titration using EDTA

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Test method of precious metal alloys - Determination of gadolinium and beryllium contents for gold alloys - Inductively coupled plasma atomic emission spectrometry

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Test method of precious metal alloys - Determination of nickel contents for silver alloys - Hydrogen peroxide spectrophotometry

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Methods for chemical analysis of precious metal alloys—Determination of vanadium content for silver alloys—Hydrogen peroxide spectrophotometry

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Test method of precious metal alloys - Determination of tin, cerium and lanthanium contents for silver alloys - Inductively coupled clasma atomic emission spectrometry

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Methods for chemical analysis of precious metal alloys—Determination of tin,cerium and ianthanum contents for silver alloys—Inductively coupled plasma atomic emission spectrometry

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Test method of precious metal alloys - Determination of aluminium and nickel contents for silver alloys - Inductively coupled plasma atomic emission spectrometry

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Methods for chemical analysis of precious metal alloys—Determination of aluminium and nickel contents in silver alloys—Inductively coupled plasma atomic emission spectrometry

Available languages: English, Chinese

Available design: electronic design (pdf), Print design