Chromic Oxide, green powder, is made by heating under
1,400℃ at chromium hydroxide.
▣ FEATURES
-
It is very stable to light, atmosphere, high temperature and corrosive gas (So₂, H₂S, etc).
-
Its gravity is 5.21, melting point is 2,300℃, mohs hardness is 9.0
-
It can dissolve in water and acidic solution and also, it can dissolve in the solution of alikali metallic bromate.
▣ APPLICATION
-
Abrasives, polishing compound, paint, pigment, etc.
▣ MAKER
-
NIPPON CHEMICAL IND, CHINA
INDEX
Cr₂O₃ %≥
99
Coloring Power %≥
95
Oil Absorption %≤
22
Moisture %≤
0.3
Water Soluble Substance %≤
0.3
Cr₂O₃
Fe₂O₃
P
Co
Mn
Cu
Ni
Pb
INDEX
99≥
<0.030
<0.001
<0.001
<0.001
<0.001
<0.001
<0.001
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