GB/T 915-1995 Bismuth was changed to GB/T 8220.1-1998 Methods for chemical analysis of bismuth--Determination of copper content--Bis-acetaldehyde-oxalydihydrazone photometric method.
GB/T 915-1995 Bismuth was changed to GB/T 8220.10-1998 Methods for chemical analysis of bismuth--Determination of tin content--Coprecipitation with beryllium-photometric method.
GB/T 915-1995 Bismuth was changed to GB/T 8220.11-1998 Methods for chemical analysis of bismuth--Determination of mercury content--Cold vapour atomic absorption spectrometric method.
GB/T 915-1995 Bismuth was changed to GB/T 8220.12-1998 Methods for chemical analysis of bismuth--Determination of nickel content--Electrothermal atomic absorption spectrometric method.
GB/T 915-1995 Bismuth was changed to GB/T 8220.13-1998 Methods for chemical analysis of bismuth--Determination of silver and cadmium content--Electrothermal atomic absorption spectrometric method.
GB/T 915-1995 Bismuth was changed to GB/T 8220.5-1998 Methods for chemical analysis bismuth--Determination of zinc content--Solid-liquid extraction-flame atomic absorption spectrophotometric method.
GB/T 915-1995 Bismuth was changed to GB/T 8220.7-1998 Methods for chemical analysis of bismuth--Determination of arsenic content--Ion exchange separation-hydride generation-flame atomic absorption spectrophtometric method.
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