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International Standard Category: Chemical reagents

GB/T 9721-1988    Chemical reagent-General rules for the molecular absorption spectrophotometry(ultraviolet and visible)
化学试剂 分子吸收分光光度法通则(紫外和可见光部分) ;
Category No.:71.040.30 Valid Status:superseded
Issued Organization:China Oil and Chemical Industry Association Issued Date:1988-06-20
Implemented Date:1989-4-1 Abolished Date:2007-04-01
Superseded Standard.:GB/T 9721-2006 Chemical reagent - General rules for the molecular absorption spectrophotometry (ultraviolet and visible)
Superseded Date:2007-4-1
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