NILE CHEMICALS
NILE CHEMICALS
| CERTIFICATE OF ANALYSIS | |||
| YELLOW PHENOLPHTHALEIN | |||
| TEST | RESULTS | LIMIT | |
| Formula | : | C20H14O4 | |
| CAS Number | : | 77-09-8 | |
| Mol. Wt. | : | 318.33 | |
| Description | : | Yellowish Powder | PASSES |
| Indetification | Complies | Should Comply | |
| Solubility | : | Complies | Should Comply |
| Colour of Solution | : | 1.473 | Absorbance of 3%soln at 405 nm |
| : | is not less than 0.150 | ||
| Melting Temperature | : | 256 .8°C | ( LT. NLT 255o C ) |
| Chromatographic Purity | : | 1.99% | NMT 6.0% |
| Assay | : | 97.26% | (LT. 93.0%-100.0%) |
| Loss on Drying | : | 0.33% | ( LT.NMT 1.0 %) |
| Residue on ignition | : | 0.039% | ( LT.NMT 0.1 % ) |
| Heavy Metals | : | Compplies | (LT.NMT 0.0015 %) |
| Arsenic | : | Complies | (LT. NMT 8 PPM) |
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