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Analysis of Nitrous Oxide by Helium Ion Chromatography
The instrument is equipped with a highly sensitive helium ionization detector and adopts the central cutting technology of Huaai Company. The injectio
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The instrument is equipped with a highly sensitive helium ionization detector and adopts the central cutting technology of Huaai Company. The injection valves are all equipped with blow off protection gas paths; The whole machine adopts a multi column box design and is equipped with an automatic calibration system for injection pressure to ensure the injection volume of samples with different bottom gases. The product has successively won titles such as Shanghai High tech Achievement Transformation A-level Project, Shanghai Key New Product, Shanghai Torch Plan, and 2009 Scientific Instrument Product.
Analysis of Nitrous Oxide by Helium Ion ChromatographyReference: GB/T 14600-2009 Current Standard for Gas Nitrous Oxide Used in the Electronic Industry
| project | index | ||
| Nitrous oxide (N2O) (volume fraction)/10-2 | ≥ | 99.9994 | 99.997 |
| Carbon dioxide (CO2) (volume fraction)/10-6 | ＜ | 0.5 | 2 |
| Carbon monoxide (CO) (volume fraction)/10-6 | ＜ | 0.1 | 1 |
| Hydrocarbons C1~C5 (calculated as methane) (volume fraction)/10-6 | ＜ | 0.1 | 1 |
| Nitrogen (N2) (volume fraction) (N2)/10-6 | ＜ | 3 | 10 |
| Oxygen (O2) (volume fraction)/10-6 | ＜ | 0.5 | 2 |
| Moisture (H2O) (volume fraction)/10-6 | ＜ | 1 | 3 |
| Ammonia (NH3) (volume fraction)/10-6 | ＜ | Both supply and demand parties agree | 5 |
| Nitric oxide (NO) (volume fraction)/10-6 | ＜ | Both supply and demand parties agree | 1 |
| Nitrogen dioxide (NO2) (volume fraction)/10-6 | ＜ | Both supply and demand parties agree | 1 |
| Total reasonable impurities (volume fraction)/10-6 | ≤ | 5.5 | 26 |
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