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Product Description
Barium Sulfate
for Medical TPU and Medical Catheter
CAS 7727-43-7; 13462-86-7
1. Specification:
|
Item |
Specification |
|
Description |
White to
off-white powder, free of foreign particles, odorless and tasteless. |
|
Identification
|
A. Positive for sulfates B. Positive for barium salts |
|
Solubility |
Practically
insoluble in water, in ethanol and in diethyl ether; can not dissolve in
hydrochloric acid, in nitric acid and in sodium hydroxide T.S. |
|
PH (SOL.
10%) |
3.5~10 |
|
Sulfide |
The gas
evolved does not darken moistened lead acetate paper. |
|
Hydrochloric
Acid soluble substances |
Not more
than 0.3% (15mg) |
|
Barium
Soluble salts |
No
turbidity is produced |
|
Heavy
metals |
Not more
than 10 ppm |
|
Arsenic |
Not more
than 1.0ppm |
|
Assay |
97.5%~100.5% |
|
Median
Diameter Particle |
0.8-1.1um |
|
Phosphate |
No yellow
precipitate is produced |
|
Loss on
drying |
Less than
1.0% |
2. Application:
It can be used
in Medical TPU plastic pellets, and various medical antibacterial catheters as
follows to obtain X-ray opacity:
1. Urinary
catheter,
2. Tracheal
intubation,
3. Central
venous catheter
4. nasal
feeding catheter
5. Intestines
and gastroscopy catheters.
3. Advantages:
----GMP approved.
----The only Chinese producer of Barium Sulfate Pharm Grade!!
----Average Particle size is 0.8-1.1um, very small but evenly distributed.
----Very good absorption and stability, best X-Ray opacity.
4. Packing:
25kg/bag or as per requests.
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