GB/T 6150.2-2008 Methods for chemical analysis of tungsten concentrates.Determination of tin content.The potassium iodate volumetry and hydrogenate atomic absorption spectrometry (English Version)
This method specifies the determination method of tin content in tungsten concentrate. This method is suitable for the determination of tin content in tungsten concentrate. Measuring range (mass fraction): 0.20% to 2.0%. Method 2 Measuring range (mass fraction): 0.005% to 0.20%.
GB/T 6150.2-2008 history
2022GB/T 6150.2-2022 Methods for chemical analysis of tungsten concentrates—Part 2: Determination of tin content—Potassium iodate titrimetry and inductively coupled plasma atomic emission spectrometry
2008GB/T 6150.2-2008 Methods for chemical analysis of tungsten concentrates.Determination of tin content.The potassium iodate volumetry and hydrogenate atomic absorption spectrometry
1985GB/T 6150.2-1985 Methods for chemical analysis of tungsten concentrates--The potassium iodate volumetric method for the determination of tin content
GB/T 6150.2-2008 Methods for chemical analysis of tungsten concentrates.Determination of tin content.The potassium iodate volumetry and hydrogenate atomic absorption spectrometry has been changed from GB/T 6150.3-1985 Methods for chemical analysis of tungsten concentrates--The salicylfluorone-tetradecyl pyridine chloride photometric method for the determination of tin content.