GB/T 223.12-1991 Translated English of Chinese Standard. (GBT 223.12-1991, GB/T223.12-1991, GBT223.12-1991): Methods for chemical analysis of iron, steel and alloy - The sodium carbonate separation-diphenyl carbazide photometric method for the determination of chromium content

Első borító
https://www.chinesestandard.net, 2017. dec. 2. - 8 oldal
This Standard specifies the sodium carbonate separation-diphenyl carbazide photometric method for the determination of chromium content.
 

Kiválasztott oldalak

Tartalomjegyzék

Additional Information
3
Subject and scope
4
Analysis steps
5
Calculation of analysis results
6
Precisions
7
Annex A Supplement Original data for precision test
8

A szerzőről (2017)

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