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  4. Standard "GB/T 39138.1-2020"
Standard GB/T 39138.1-2020 11.10.2020 preview

GB/T 39138.1-2020

Methods for chemical analysis of gold nickel chromium iron silicon boron alloys—Part 1Determination of gold content—Potentiometric titration using ferrous sulfate

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STANDARD published on 11.10.2020


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The information about the standard:

Designation standards: GB/T 39138.1-2020
Publication date standards: 11.10.2020
SKU: NS-1007393
Country: Chinese technical standard
Category: Technical standards GB

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Other non-ferrous metals and their alloys

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