GB/T 17418.5-1998 Methods for analysis of noble metals in geochemical samples--Determination of ruthenium and osmium content-Separation by distillation-Catalytic spectrophotometric method (English Version)
This standard specifies the determination methods for ruthenium and osmium in geological materials. This standard applies to the determination of ruthenium and osmium in rocks containing platinum group elements such as ultrabasic rocks and geological materials. Measuring range: 1×10-9~1×10-6ruthenium or osmium.
GB/T 17418.5-1998 history
2010GB/T 17418.5-2010 Methods for analysis of noble metals in geochemical samples.Part 5:Determination of ruthenium and osmium content.Separationby distillation-catalytic spectrophometric method
1998GB/T 17418.5-1998 Methods for analysis of noble metals in geochemical samples--Determination of ruthenium and osmium content-Separation by distillation-Catalytic spectrophotometric method