HEPES, 1 kg
REF 9105.3
€ 332,45
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HEPES, 1 kg
Información del producto
Número CAS: 68189-43-5
fórmulas químicas: C10H22N2O8S2 · 2 H2O
Código hs: 29335995
Marca: Carl Roth
HEPES, PUFFERAN®, min. 99,5 %, p.a., Molar mass (M) 238,31 g/mol, Flash point (flp) 124 °C, CAS No. [7365-45-9], EG-Nr. 230-907-9, Empirical formula C8H18N2O4S
Free acid
HEPES PUFFERAN® ≥99,5 %, p.a.
Toepassingsvoorbeelden:
- Reduction of clotting time during analysis of factors V and VIII, during APTT and PT tests and during thrombin mediated clotting in plasma
- Ideal for gel filtration of thrombocytes from human blood
- For routine analysis of enteroviruses
- Reagent in plasma urea determination
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 |
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