Verzending 24–48 u • Levering in de hele EU • Veilige chemieverpakking
Free acid
Buffer reagent according to Good. High buffer capacity at physiological pH-values.
| Assay (titr.) | ≥99,5 % |
| Solubility (0,1 M in H2O) | clear, complete |
| pH value (5 % in H2O) | 5,0-6,0 |
| Sulphated ash | ≤0,1 % |
| Loss of drying (140 °C, 30 min) | ≤0,2 % |
| Chloride (Cl) | ≤0,005 % |
| Phosphate (PO4) | ≤0,01 % |
| Sulphate (SO4) | ≤0,01 % |
| Lead (Pb) | ≤0,0005 % |
| Cadmium (Cd) | ≤0,0005 % |
| Calcium (Ca) | ≤0,05 % |
| Iron (Fe) | ≤0,0005 % |
| Copper (Cu) | ≤0,0005 % |
| Magnesium (Mg) | ≤0,0005 % |
| Nickel (Ni) | ≤0,005 % |
| Heavy metals (as Pb) | ≤0,0005 % |
| Absorbance | |
| 260 nm | ≤0,05 |
| 280 nm | ≤0,04 |
| 405 nm | ≤0,03 |

Verzending 24–48 u • Levering in de hele EU • Veilige chemieverpakking
