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International Standard Category: Chemical reagents

GB/T 609-2006    Chemical Reagent - General Method for the Determination of Total Nitrogen
化学试剂 总氮量测定通用方法;
Category No.:71.040.30 Valid Status:superseded
Issued Organization:AQSIQ, SAC Issued Date:2006-11-03
Implemented Date:2007-6-1 Abolished Date:
Superseded Standard.:GB/T 609-2018 Chemical reagent—General method for the determination of total nitrogen
Superseded Date:2019-1-1
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