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 (English Version)
This standard specifies the method for the determination of arsenic in bismuth. This standard applies to the determination of the amount of arsenic in bismuth. Measuring range: 0.00003% to 0.0012%.
GB/T 8220.7-1998 history
1998GB/T 8220.7-1998 Methods for chemical analysis of bismuth--Determination of arsenic content--Ion exchange separation-hydride generation-flame atomic absorption spectrophtometric method
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 has been changed from GB/T 915-1995 Bismuth.
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 was changed to YS/T 536.7-2006 Bismuth Chemical Analysis Method Ion Exchange Separation-Hydride Generation-Flame Atomic Absorption Spectrometry Determination of Arsenic.