Specification Sheet
Product Name
Potassium phthalate monobasic suitable for HPLC, LiChropur™, 99.5-100.5% (HPLC)
Product Number
56982
Product Brand
sial
CAS Number
877-24-7
Molecular Weight
204.22
Test | Specification |
|---|---|
| APPEARANCE (COLOR) | Colorless or White |
| APPEARANCE (FORM) | Powder or Crystals |
| TITRATION (T) NAOH 1M | 99.5 - 100.5 % |
| SOLUBILITY (COLOR) | Colorless |
| SOLUBILITY (TURBIDITY) | Clear |
| SOLUBILITY (METHOD) | 10% IN WATER, HOT |
| PH | 3.5 - 5.0 |
| LOSS ON DRYING | ≤ 0.5 % |
| UV Absorbance | UV at 330 nm (10% in Water, hot) ≤ 0.05 |
| UV Absorbance | UV at 340 nm (10% in Water, hot) ≤ 0.03 |
| UV Absorbance | UV at 350 nm (10% in Water, hot) ≤ 0.02 |
| UV Absorbance | UV at 500 nm (10% in Water, hot) ≤ 0.02 |
| RESIDUE (FILTER TEST) | NO RESIDUE |
| FILTERTEST (METHOD) | 10% IN WATER, HOT |
| RECOMMENDED RETEST PERIOD | 36 MONTHS |