GB/T 223.39-1994

Methods for chemical analysis iron,steel and alloy The sulphochlorophenol S photometric method for the determination of niobium content

STANDARD published on 26.9.1994

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The information about the standard:

Designation standards: GB/T 223.39-1994
Note: WITHDRAWN
Publication date standards: 26.9.1994
Country: Chinese technical standard
Category: Technical standards GB