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| International Standard Category: Welding consumables |
GB/T 10574.13-1989 Tin-lead solders-Determination of phosphorus content-Phosphor-vanadium-molybdium poly acid-crystal
锡铅焊料化学分析方法 磷钒钼杂多酸-结晶紫分光光度法测定磷量 ;
| Category No.: | 25.160.20 | Valid Status: | superseded |
| Issued Organization: | Issued Date: | 1989-03-22 | |
| Implemented Date: | 1990-1-1 | Abolished Date: | 2003-08-01 |
| Superseded Standard.: | GB/T 10574.13-2003 Methods for chemical analysis of tin-lead solders-determination of copper,iron cadmium,silver,gold,arsenic,zinc,aluminium,bismuth,phosphorous content GB/T 10574.11-2003 Methods for chemical analysis of tin-lead solders-Determination of phosphorus content |
Superseded Date: | 2003-8-1 |
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