GB/T 6150.3-2009 Methods for chemical analysis of tungsten concentrates-Determination of phosphotus content-The phosphorus molybdenum yellow spectrophotometry (English Version)
This part specifies the method for the determination of phosphorus content in tungsten concentrate. This section applies to the determination of phosphorus in tungsten concentrate. Measuring range: 0.005%—1.00%.
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
2009GB/T 6150.3-2009 Methods for chemical analysis of tungsten concentrates-Determination of phosphotus content-The phosphorus molybdenum yellow spectrophotometry
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 6150.3-1985 Methods for chemical analysis of tungsten concentrates--The salicylfluorone-tetradecyl pyridine chloride photometric method for the determination of tin content
GB/T 6150.3-2009 Methods for chemical analysis of tungsten concentrates-Determination of phosphotus content-The phosphorus molybdenum yellow spectrophotometry has been changed from GB/T 6150.4-1985 Methods for chemical analysis of tungsten concentrates--The molybdenum yellow photometric method for the determination of phosphorus content.