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Quality Center |
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Method:
1 Flux content, spread factor, insulation resistance analysis, detection method: refer to GB/T 12589.1~12589.4-1995.
2 Main content: content of Sn is according to GB/T10574.1-89 postassium iodate titrimetric method.
3 Micros coherer: Ag, Cu, Pb, Cd, Sb, Bi, Fe, Zn, Al, detection method: refer to GB7728 Metallurgy chemistry analysis in the flame atomic absorption spectrophotometric method of tart assimilation.
4 Apply to flame atomic absorption spectrophotometric method.
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