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Verzending 24–48 u • Levering in de hele EU • Veilige chemieverpakking
BIS-TRIS, 50 g
REF 9140.1
€ 78,11
Disponible
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BIS-TRIS, 50 g
Información del producto
Código hs: 29221900
Marca: Carl Roth
BIS-TRIS, PUFFERAN®, min. 99 %, Molar mass (M) 209,24 g/mol, Density (D) ~1,4 g/cm³, Boiling point (bp) 412,1 °C, CAS No. [6976-37-0], EG-Nr. 230-237-7, Empirical formula C8H19NO5
BIS-TRIS PUFFERAN® ≥99 %
Technische informatie
| pH-bereik | 5.8 tot 7.2 |
| Bufferreagens | Bis-(2-hydroxyethyl)imino-tris-(hydroxymethyl)-methane |
| Assay (titr.) | ≥99 % |
| Loss of drying (90 °C, 30 min) | ≤1.0 % |
| pH value (1 M, H2O) | 9.0-11.0 |
| Solubility (1 M in H2O) | clear, soluble |
| Iron (Fe) | ≤0,0003 % |
| Heavy metals (as Pb) | ≤0,0003 % |
| Absorbance | |
| 340 nm | ≤0,02 |
| 280 nm | ≤0,04 |
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