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International Standard Category: Welding consumables

GB/T 10574.7-2003    Methods for chemical analysis of tin-lead solders-Determination of silver content
锡铅焊料化学分析方法 银量的测定;
Category No.:25.160.20 Valid Status:superseded
Issued Organization:AQSIQ Issued Date:2003-3-11
Implemented Date:2003-8-1 Abolished Date:
Superseded Standard.:GB/T 10574.7-2017 Methods for chemical analysis of tin-lead solders―Part 7:Determination of silver content―Flame atomic absorption spectrometry and potassium thiocyanate potentiometric titra
Superseded Date:2018-5-1
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