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International Standard Category: Welding consumables

JB/T 7948.9-1999    Methods for chemical analysis of melted welding fluxes - The flame photometric method for determination of sodium oxide and potassium oxide content
熔炼焊剂化学分析方法 火焰光度法测定氧化钠、氧化钾量;
Category No.:25.160.20 Valid Status:superseded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Superseded Standard.:JB/T 7948.7-2017
Superseded Date:2018-4-1
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