YS/T 520.6-2006 Gallium Chemical Analysis Method Salicylfluorone-Cetyltrimethylammonium Bromide Spectrophotometric Determination of Tin (English Version)
2007YS/T 520.6-2007 Chemical analysis of gallium.Part 6: Determination of tin content.The salicylfluorone cetyltrimethylammonium bromide spectrophotometric method
1984YS/T 520.6-2006 Gallium Chemical Analysis Method Salicylfluorone-Cetyltrimethylammonium Bromide Spectrophotometric Determination of Tin