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International Standard Category: Welding consumables

JB/T 7948.5-1999    Methods for chemical analysis of melted welding fluxes - The sulfosalicylic acid photometric method for determination of iron oxide content
熔炼焊剂化学分析方法 磺基水杨酸光度法测定氧化铁量;
Category No.:25.160.20 Valid Status:superseded
Issued Organization: Issued Date:1999-6-24
Implemented Date:2000-1-1 Abolished Date:
Superseded Standard.:JB/T 7948.4-2017 Methods for chemical analysis of welding fluxes. Part 4: Determination of iron oxide content
Superseded Date:2018-4-1
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