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Descripción del producto
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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