![Tetraethyl [2,2'-Bipyridine]-4,4'-diylbis(phosphonate)>98.0%(HPLC)(T)1g](https://d2j6dbq0eux0bg.cloudfront.net/images/88473019/4045096445.jpg "Tetraethyl [2,2'-Bipyridine]-4,4'-diylbis(phosphonate)>98.0%(HPLC)(T)1g")
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BIS-TRIS, 1 kg
SKU 9140.8
€ 850,06
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BIS-TRIS, 1 kg
Product Details
HS code: 29221900
Brand: 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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