Leírás
|
ICP-MS system Nebulizer: concentric nebulizer(glass), 1mL/min or better Spray chamber: Quartz Peristaltic pump: 4 channel, variable speed 0-100 rpm RF power : 0.1 – 1.6kW Frequency: 27.12 MHz Plasma torch : One piece quartz torch Computer controlled adjustment of torch position(X, Y and Z
|
|
|
Ion extraction interface: Water cooled interface Sampling cone : Nickel, 1.0mm Skimmer cone : Nickel, 0.4mm Ion focusing system: Capable of removing all neutrals and photons Capable of minimizing interface background Quadrupole system: Quadruple rods should be made of stainless steel & locked into ceramic mounts Mass range : 2 - 260 amu Resolution : M/delta M > 400 (4) Mass calibration stability : +/- 0.1 amu Scan Speed : 2000 amu/second minimum Minimum dwell time : 100 μsec Operating Frequency : 3.0MHz
|
|
|
Detection limit: Low mass: 5 ppt or better Mid mass : 5 ppt or better High Mass : 5 ppt or better Oxide ratio (CeO/Ce):<2.5% Sensitivity: Low mass : 5mcps/ppm or better Mid mass : 50 mcps/ppm or better High mass : 30 mcps/ppm or better Short time stability of <5% and long-term stability of <3% Doubly charged ratio: Ce2 +/Ce(%):<3% Isotope ratio precision: Ag107/Ag109: <1% |
