Chromic anhydride(Chromic acid flakes):
Molecular formular:CrO3
Specific gravity:2.7(crystal)
Usage:It is mainly used for Chromium-plating and highly-pure-metal
chromium making and used as the raw material for making chromic
oxide,mordant for dyeing woolen fabrics,raw material for making
calalyst and oxidizer in organic synthes is in dustry.
Quality standard:
National standard:(GB/T1610-1999)
item
|
specification
|
high-class
products |
first-cladd
products |
qualifide
products |
CrO 3%  |
99.7 |
99.5 |
99.0 |
Water indoluble
matte  |
0.02 |
0.05 |
0.10 |
SO 4 |
0.06 |
0.15 |
0.20 |
Na |
0.05 |
|
|
|
