GB/T 6730.44-2017E

Iron ores—Determination of zinc content—1-(2-pyridylazo)-2-naphthoI spectrophotometric method

STANDARD published on 7.9.2017

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The information about the standard:

Designation standards: GB/T 6730.44-2017E
Publication date standards: 7.9.2017
Country: Chinese technical standard
Category: Technical standards GB