GB/T 10267.4-1988
Method for analysis of calcium metal--The determination of aluminium by oxine chloroform extraction photometric method
GB/T 10267.4-1988
Methods for chemical analysis of iron,steel and alloy--The thiocyanate chlorpromazine hydrochloride--chloro form extraction photometric method for the determination of tungsten content
GB/T 10267.4-1988
Method for analysis of calcium metal—The determination of aluminium by oxine chloroform extraction photometric method
GB/T 10267.4-1988
GB/T 10267.4-1988
Dye, Red, 2,5,2',5'-Tetramethyltriphenylmethane-4,4'-Diazo-Bis-Betahydroxynaphthoic Anilide