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  4. Standard "STN 420621-21"
WITHDRAWN STN 420621-21 1.6.1971 preview

STN 420621-21 (420621)

Chemical testing of non-ferrous metals and alloys. Chemical analysis of pure copper. Determination of silicon. Photometric method. Arbitration method



STANDARD published on 1.6.1971


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The information about the standard:

Designation standards: STN 420621-21
Classification mark: 420621
Catalog number: 61748
Note: WITHDRAWN
Publication date standards: 1.6.1971
SKU: NS-497523
Approximate weight : 12 g (0.03 lbs)
Country: Slovak technical standard
Category: Technical standards STN

We recommend simillar standard:!

ČSN 420621-21 (02.06.1971)

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