Overview
Bento Pharma is natural calcium bentonite, extracted selective mining and manual removal of impurities is done in presence of skilled personnel.
Good sedimentation volume, minimum heavy metals, reactions of silicates, complies with test of natural swelling with water and insoluble in water and in aqueous solutions makes it ideal to use as IP ingredients.
PRODUCT SPECIFICATIONS FOR BENTONITE
PHARMA (IP) GRADE
Physical Properties
| Sr. No. | Parameters | Specifications |
| 1 | pH | 8 – 10.5 |
| 2 | Sedimentation | 2 ml |
| 3 | Microbial Limit, 1 g is free from E.coil | Complies |
| 4 | Solubility in water | Insoluble in water, methanol, ether, acetone. Very slightly soluble in hot & cold water |
| 5 | Swelling | 8 – 12 ml |
| 6 | Bulk density | 0.8 – 1 g/cc |
| 7 | Heavy Metals | 50 ppm |
| 8 | Loss on Ignition @ 6000 C | 8 – 10% |
| 9 | Loss on Drying @ 1100 C | 13% max |
| 10 | Coarse particles on 75 micron (wet method) | 0.5% max |
| 11 | Color | Very fine & pale buff |
| 12 | Moisture | 9 – 13% |