This part of YS/T 227 specifies the method for determination of aluminum content in tellurium. This section applies to the determination of aluminum content in tellurium. Measuring range: 0.000 5%-0.004 0%.
YS/T 227.2-2010 history
2010YS/T 227.2-2010 Methods for chemical analysis of tellurium-Part 2: Determination of aluminium content-Chromazurol S-Tetradecyl bromide pyridine micellar solubilization spectrophotometry
1970YS/T 227.2-1994 Determination of Aluminum Content in Tellurium (Cromoazurin S--Bromotetradecylpyridine Micellar Solubilization Absorption Spectrophotometry)