C6H8O7
Citric acid anhydrous Molecular biology
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.
Main Properties
Product Specification
| Chloride (Cl) |
max. 0.001% |
| Subs. darkened by Sulfuric Acid |
Complying |
| 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 |
