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International Standard Category: Acids

GB/T 4104-2003    Leucoscopic method for testing whiteness of zine oxide made by direct process
直接法氧化锌白度(颜色)检验方法;
Category No.:71.060.30 Valid Status:superseded
Issued Organization:AQSIQ Issued Date:1983-1-2
Implemented Date:2004-5-1 Abolished Date:
Superseded Standard.:GB/T 4104-2017 Determination of whiteness for zinc oxide produced by direct process
Superseded Date:2018-5-1
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