|
Antimony
Trioxide
|
| Chemical
Synonyms: Antimony
White; Antimony Oxide |
|
Description:
White, odorless, crystalline
powder; insoluble in water; soluble in concentrated hydrochloric and
sulfuric acids, strong alkalies. |
| Derivative:
Burning
antimony in air; ammonium hydroxide added to antimony chloride; directly
from low-grade ores. |
| mp:
655°C |
density:
5.67 |
|
Uses:
Flameproofing of testiles, paper, and plastics (chiefly polyvinyl
chloride); paint pigments; ceramic opacifier; catalyst; intermediate;
staining iron and copper; phosphors; mordant; glass decolorizer. |
Specifications |
| PROPERTIES |
RESULTS |
| ANTIMONY
(%): |
99.5 min |
| -IMPURITIES- |
|
|
ARSENIC (%): |
0.06 max |
|
LEAD (%): |
0.10 max |
|
IRON (%): |
0.02 max |
|
SULFUR (%): |
Nil |
| COLOR: |
WHITE |
| TINTING
STRENGTH: |
HIGH |
| SOLUBILITY,
% IN TARTARIC ACID: |
99.7 min |
| WATER, %
BY DRYING AT 105°C: |
0.05 max |
| PARTICLE
SIZE, (%) RETAINED ON 300 MESH, (%): |
0.5 |
| PARTICLE
SIZE ON AVERAGE, MICRONS: |
LESS THAN
2.0 |
