GB/T 4375.12-1984 Methods for chemical analysis of gallium--The spectrochemical method for the determination of lead,copper,nickel,aluminum,indium and zinc content
This standard applies to the simultaneous determination of lead, copper, nickel, aluminum, indium and zinc in gallium (99.999%). Measuring range: lead 5×10-5~3×10-4%; copper 5×10-5~3×10-4%; nickel 5× 10-6~5×10-5%; aluminum 5×10-6~5×10-5%; indium 1×10-5 ~1×10-4%; Zinc 1×10-5~1×10-44%.
GB/T 4375.12-1984 history
1984GB/T 4375.12-1984 Methods for chemical analysis of gallium--The spectrochemical method for the determination of lead,copper,nickel,aluminum,indium and zinc content
GB/T 4375.12-1984 was changed to YS/T 520.12-2006 Gallium chemical analysis method Determination of lead, copper, nickel, aluminum, indium and zinc content by chemical spectroscopy.