| Eosin Disodium FRP |
| Specification |
For : Eosin Yellow Sodium Salt FRP |
| Test |
Specification |
| Description |
Brownish red powder |
| Identification |
A. Test Passes B. Test Passes C. Test Passes D. Test Passes E. Test Passes
|
| Solubility 0.1 %( In Water) |
Clear reddish yellow solution |
| Absorptivity (A1%,1CM Water λ max) |
Limit :1200-1400 |
| Absorption Maximum (Water λ max) |
Limit : 515-518 NM |
| Combined ether extracts |
Mass of residue : Max.0.5% |
| Related Substances |
Complies |
| Chloride |
Limit : Max. 1% |
| Sulphated Ash |
Limit : 20 to 23% |
| Insoluble Matter |
Limit : Max 0.2 % |
| Loss On Drying (At 110 0C 1HR) |
Limit : Max 8% |
| Ether |
Limit : Max.0.5% |
| Assay |
Limit : Min. 87 % |
| pH (a 2% solution in distilled water) |
Limit : 7.0 to 8.0 |
| Lead (as Pb) |
Limit : Max. 20 PPM |
| Arsenic (as As) |
Limit : Max. 3 PPM
|