CAS Number
7732-18-5
Formula
H2O
Weight
18,016
Hydrogen Oxide
1l~1,000kg 1kg~1,000l
| Maximum limit of impurities | |
| Non-volatile matter | 0.0003 % |
| Reducing substance to KMnO4 | passes test |
| Specific conductance at 25°C (Measured during production) | 1.0x10-6ohm-1cm-1 |
| Fluorescence at 254 nm (as quinine) | 1ppb |
| Fluorescence at 365nm (as quinine) | 0.5ppb |
| UV Spectrum (1 cm cell; Ref.: water) | |
| Transmittance at 200 nm | ≥98% |
| Transmittance at 210 nm | ≥98% |
| Transmittance at 254 nm | ≥99% |
| Transmittance at 300-450 nm | ≥99% |
| Data of interest in HPLC | |
| Rohrschneider Polarity | 10.2 |
| For critical jobs, purge with nitrogen. | |
| Microfiltered product (0.2 μm) and bottled under nitrogen atmosphere. |
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