| |
PRODUCTS |
| | MAGNESIUM
CITRATE U.S.P. 27 |
| MOL.
FORMULA | : | C12H10Mg3O14 |
| MOL.WET. | : | 451.11 |
| IDENTIFICATION
:- | A) | A solution ( 10 mg per ml ) responds
to the test for |
| | | Magnesium
( 191 ) |
| | B) | A
solution ( 80 mg per ml ) responds to the tests for |
| | | citrate
( 191 ) PH ( 791 ) :- Between 5.0 & 9.0 in a |
| | | suspension
( 50 mg per ml ) |
| LOSS ON DRYING | : | It
loses not more than 29% of its weight, expect that |
| | | where
it is labelled as anhydrous it loses not more than |
| | | 2.0%
of it's weight. |
| CHLORIDE | : | Not
more than 0.05% |
| SULPHATE | : | Not
more than 0.2% |
| ARSENIC | : | Method
1 : 50 per g. |
| HEAVY METALS | : | Method
1 : 50 per g. |
| IRON | : | The
limit is 200 per g. |
| LIMIT OF CALCIUM
| : | Limit is 1.0%, calculated on the dried
basis. |
ORGANIC VOLATILE IMPURITIES | : | Method
4 : Meets the requirements. |
| ASSAY
| : | It contains not less than 14.5% and
not more than |
| | | 16.4
% of Magnesium ( Mg ) calculated on the Dried |
| | | basis. |