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Inductively Coupled Plasma Mass Spectrometry (ICP-MS) features microscale(10-6), trace(10-9), and ultratrace(10-12) element analysis techniques. It can test most elements of periodic table of elements. It has a very low detection limit, wide trends linearity range, minimal interference; high accuracy, high analyzing speed, and it also can analyze isotopes.
Mass range | 1 ~ 265 amu |
linear range | ≥ 108 |
Sensitivity | Be ≥ 2×106 ; In ≥ 35×106 ; U ≥ 30×106 unit(cps/mg/L) |
Detection limit | Be ≤ 10 ; In ≤ 2 ; U ≤ 2 unit(ng/L) |
Resolution | 0.6 ~ 0.8 amu |
SNR(Signal to Noise Ratio) | ≥ 50×106 |
Background nois | ≤ 2 cps(all mass number range) |
Mass axis stability | ≤ 0.05 amu/24 h |
Stability RSD | Short period ≤ 3% ; long time ≤ 4% |
Oxide ion | CeO+/Ce+ ≤ 3% |
Divalent ions | 69Ba2+/138Ba+ ≤ 3% |
Isotope ratio | (107Ag/109Ag) ≤ 0.3% |
Abundance sensitivity | ≤ 1×10-6 low mass number ; ≤ 5×10-7 high mass number |