Citric acid is a useful buffering substance, pKa1 =3.13, pKa2=4.76, pKa3 =6.40 at 25ºC. Molecular biology grade anhydrous citric acid is suitable for use in tissue culture systems requiring additives.
| M | 192.13 |
|---|---|
| m.p | 153 - 154.5 °C |
| Chloride (Cl) | max. 0.001% |
|---|---|
| Subs. darkened by Sulfuric Acid | Passes test |
| Oxalate (C2O4) | max. 0.05% |
| Heavy metals (as Pb) | max. 0.001% |
| Assay (T) | min. 99.5%w/w |
| Water (KF) | max. 0.5%w/w |
| DNase activity | Not detected |
| RNase activity | Not detected |
| Protease activity | Not detected |
| Formula : C6H8O7 |
| CAS : 77-92-9 |
| EC : 201-069-1 |
| 03022391 | 6 x 1kg | HDPE (1kg) |
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