≥1 piece |
Mol . formula
|
C 12 H 22 FeO 14 , XH 2 0 |
Formula Wt.
|
446.14 (Anhydrous) |
CAS No. |
299-29-6 |
Characteristics |
A greenish yellow to grey granular powder |
Solubility |
Freely but slowly soluble in water. More readily soluble in hot water. Practically insoluble in alcohol. |
Identification |
Test – A : Positive Test – B : Positive |
Appearance of solution |
BP |
pH |
4.0 to 5.5 |
Loss on Drying (100 o C to 105 o C for 5hrs. ) |
5.0 % to 10.5% |
Chlorides |
Max. 0.06% |
Sulphates |
Max. 500ppm |
Arsenic |
Max . 2ppm |
Heavy metals |
Max. 20ppm |
Barium |
BP |
Oxalates |
BP |
Ferric iron [as Fe(III)] |
Max. 1.0% |
Sucrose and reducing Sugars |
BP |
Microbial Contamination |
Total viable aerobic count max. 10 3 Micro organisms/gm |
Assay [Content of Fe(II)] (calculated on dried basis) |
11.8% to 12.5% |