Description
Buffer substances for amino acid analysis
Lithium citrate tribasic tetrahydrate; Citric acid trilithium salt
| CAS | 6080-58-6 |
| Molecular Formula | C6H5Li3O7.4H2O |
| Molecular Weight | 281.99 |
| Shelf Life | 60 Months |
| Physical Properties | |||
| Physical State at 20 °C | Solid | Colour | White crystalline |
| Odour | Odorless | pH Value | 8.0 – 9.5 at 209.8 g/l at 25 °C |
| Solubility in Water [% weight] | 209.8 g/l at 20 °C | ||
| Specifications | |||
| Appearance | White hygroscopic crystalline powder | Assay | Min 99% |
| Free Acid (As Citric Acid) | Max 0.15% | Free Alkali (As Lioh) | Max 0.06% |
| Ammonium (Nh4) | Max 0.0001% | Arsenic (As) | Max 0.0005% |
| Chloride (Cl) | Max 0.005% | Sulphate (So4) | Max 0.002% |
| Iron (Fe) | Max 0.005% | Heavy Metal (As Pb) | Max 0.002% |
| Oxalate (As C2H2O4) | Max 0.03% | Water (H2O) | 24 – 27% |
| Dangerous Goods Information | |||
| UN Number | – | DG Class | – |
| Safety Information & Hazard Symbols | |
| Symbol | GHS07 |
| Signal Word | Warning |
| Hazard Statement | H315-H319-H335 |
| Precaution Statement | P261-P305 + P351 + P338 |















