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International Standard Category: Transport exhaust emissions

GB/T 4920-1985    Determination of sulphuric acid mist in tail gas in sulphuric acid concentration process; Barium chromate colorimetric method
硫酸浓缩尾气硫酸雾的测定 铬酸钡比色法;
Category No.:13.040.50 Valid Status:valid
Issued Organization:state bureau of environmental protection Issued Date:1985-1-18
Implemented Date:1985-8-1 Abolished Date:
Superseded Standard.: Superseded Date:
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