chromic acid anhydride

Chromic Acid Flakes,99.7% chromic anhydride We have been exported for more than eight years. We are professional and reliable

name :Chromic  Acid Flakes,99.7%min chromic anhydride

dark red orthorhombic crystals or purple flakes. Melting point196, freezing point of 170 ~ 172

 

Date Sheet

Specification	Grade  A	Grade  B	Grade  C
Total mass fraction of Chromic Anhydride  (CrO3), % min	99,7	98,8	98,0
Total mass fraction of water-insolubles , % max	0,02	0,05	not normalized
Total mass fraction of Sulphates (SO4), % max	0,06	0,18	not normalized
Total Mass fraction of Sodium (Na), % max	0,05	not normalized	not normalized

chromic acid anhydride