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ICP-MS DW-SUPEC7000
Inductively Coupled Plasma Mass Spectrometer
Introduction
As a new generation of heavy metal analysis system, the inductively coupled plasma mass spectrometer can be combined with LC, automatic sampler, automatic graphite digestion system and other connected technologies.
The system is widely used in water quality, soil, atmospheric particulate matter, solid waste, food, animals and plants, food contact materials, cosmetics, semiconductors, high purity materials, minerals, petrochemical, industrial products, textile and other fields, and meets the requirements of relevant national standards for analysis methods.
| Mass range | 2-260 amu |
| Mass resolution | high resolution and standard resolution, adjustment range 0.3-2.0amu. Continuously adjustable, both modes can be used during one method analysis in order to expand the sample analysis application by change resolution. |
| Linear dynamic range | greater than 9 orders of magnitude. |
| Background stability | defined as the mean of the background signal at 5amu, below 0.5 cps. |
| Short-term stability | 20 min stability RSD <2% |
| Long-term stability | 2-hour stability RSD <3% |
| Sensitivity | under the same instrument conditions, the sensitivity of Li should be above 20 Mcps / ppm, In should be above 180 Mcps / ppm, and U should be above 200 Mcps / ppm. 2.12.8 Double charged ions and oxide ions: Ce + + / Ce + below 3%, CeO+/Ce+Less than 3% of this amount of the. |
| Limit of detection | The detection limit of Li should be lower than 2ppt, In, which should be lower than 0.1ppt,The detection limit of U should be lower than 0.1ppt. |
| Abundance Sensitivity | Low mass end: 1 x 10-6; High-quality end: 5 x 10-7. |
| Stability of the mass axis | <0.05 amu / 24h. |
| Isotope ratio accuracy | < 0.2% (107Ag/109Ag), equipped with isotope ratio measurement capability. |
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