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Verzending 24–48 u • Levering in de hele EU • Veilige chemieverpakking
TRIS, 1 kilo
REF 4855.2
€ 163,93
Disponible
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TRIS, 1 kilo
Información del producto
P-frases: P261 P280 P304+P340 P342+P311
H-frases: H315-H319-H334-H335
Número CAS: 9002-13-5
Código hs: 29221900
Marca: Carl Roth
TRIS, PUFFERAN®, min. 99.9 %, p.a., Molar mass (M) 121,14 g/mol, Density (D) 1,32 g/cm³, Boiling point (bp) 288 °C, CAS No. [77-86-1], EG-Nr. 201-064-4, Empirical formula C4H11NO3
TRIS PUFFERAN® ≥99,9 %, p.a.
Purest quality for extremely high demands, with in-depth trace element analysis. Extremely low heavy metal content and low UV-absorption.
Technische informatie
| pH-bereik | 7.5 tot 9.0 |
| Bufferreagens | Tris(hydroxymethyl)-aminomethane |
| Assay (dry substance) | ≥99,9 % |
| In H2O insoluble matter | ≤0,005 % |
| pH-value (5 % solution) | 10,0-11,5 |
| Melting point | 168-172 °C |
| Water | ≤0,5 % |
| Sulphated ash | ≤0,1 % |
| Sulphate (SO4) | ≤0,001 % |
| Arsenic (As) | ≤0,0001 % |
| Lead (Pb) | ≤0,00005 % |
| Cadmium (Cd) | ≤0,00005 % |
| Iron (Fe) | ≤0,00005 % |
| Copper (Cu) | ≤0,00005 % |
| Zinc (Zn) | ≤0,00005 % |
| Absorbance | |
| 260 nm | ≤0,03 |
| 280 nm | ≤0,02 |
| 430 nm | ≤0,004 |
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