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Thermo Scientific Chemicals
Water, ultrapure, Spectrophotometric Grade
Maximum level of impurities: Evaporation residue 2ppm, Specific conductance at 25° 1.5μ mhos/cm, SiO2 0.01ppm, Heavy metals (as Pb) 0.01ppm, Substances reducing permanganate P.T. | CAS: 7732-18-5 | H2O | 18.015 g/mol
| 货号 | 数量 |
|---|---|
| 019391.K2 又称 019391-K2 | 1 L |
化学标识符
CAS7732-18-5
IUPAC Namewater
Molecular FormulaH2O
InChI KeyXLYOFNOQVPJJNP-UHFFFAOYSA-N
SMILESO
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规格
规格表
规格表Impurity contentSubstances reducing permanganate: Passes Test
Optical Absorbance at400 nm: ≤ 0.005 AU
Residue on Evaporation≤1.0ppm
Specific Conductance≤1.5 µS/cm (25°C, at time of packaging)
Optical Absorbance at190 nm: ≤0.010 AU
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Water ultrapure is used in spectrophotometry and environmental testing. It is also used in conductometric titration.
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
RUO – Research Use Only