GB/T 6150.2-1985 Methods for chemical analysis of tungsten concentrates--The potassium iodate volumetric method for the determination of tin content (English Version)
This standard applies to the determination of the amount of tin in tungsten concentrate. Measuring range: 0.2 to 2.0%.
GB/T 6150.2-1985 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