This section specifies the method for determination of germanium content in gallium. This section applies to the determination of germanium content in gallium. Measuring range: 0.00005% ~ 0.015%.
YS/T 520.9-2007 history
2007YS/T 520.9-2007 Chemical analysis of gallium.Part 9:Determination of germanium content.The phenylfluorone-polyethylene glycol octyl phenyl ether extraction spectrophotometric method
2006YS/T 520.9-2006 Gallium Chemical Analysis Method Phenylfluorone-Polyethylene Glycol Octyl Phenyl Ether Spectrophotometric Determination of Germanium