GB/T 3260.3-2013 Methods for chemical analysis of tin.Part 3:Determination of bismuth content.KI photometric method and flame atomic absorption spectrometric method (English Version)
This part of GB/T 3260 specifies the potassium iodide spectrophotometric method and the flame atomic absorption spectrometric method for the determination of bismuth content in tin. This section applies to the determination of the amount of bismuth in tin. The measurement range of method 1 is 0.000 50%~0.200%; the measurement range of method 2 is 0.000 30%~0.200%.
GB/T 3260.3-2013 history
2013GB/T 3260.2-2013 Methods for chemical analysis of tin.Part 2:Determination of iron content.1,10-phenanthroline photometric method
2000GB/T 3260.2-2000 Methods for chemical analysis of tin Determination of iron content
1982GB/T 3260.2-1982 Chemical analysis of tin--The o-phenanthroline photometric method for determination of iron