Table 2 |
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|
Description of operational conditions for ICP-MS of fractionated materials. |
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|
OPERATIONAL CONDITIONS |
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|
|
|
|
RF power (W) |
1550 |
|
|
|
|
Plasma gas flow rate (L/min) |
15 |
|
|
|
|
Hydrogen flow rate (mL/min) |
2.5 |
|
|
|
|
Helium flow rate (mL/min) |
2.5 |
|
|
|
|
Carrier flow rate (L/min) |
0.9 |
|
|
|
|
Make-up gas (L/min) |
0.1 |
|
|
|
|
Auxiliary gas (L/min) |
0.9 |
|
|
|
|
Sample flow rate (mL/min) |
0.4 |
|
|
|
|
Acquisition time per isotope (sec) |
0.1 |
|
|
|
|
Repetition |
3 |
|
|
|
|
Total acquisition time for 19 isotopes (sec) |
2.85 |
|
|
|
|
Total running time (sec) |
1880 |
|
|
|
|
Tuning solution: |
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|
% RSD |
< 3% |
|
|
|
|
Sample nebulizer tubing: |
|
|
Material |
Tygon |
|
Internal diameter (mm) |
1.02 |
|
|
|
|
AF4 carrier tubing: |
|
|
Material |
PEEK |
|
Internal diameter (mm) |
0.25 |
|
|
|
|
Gajjar et al. Journal of Biological Engineering 2009 3:9 doi:10.1186/1754-1611-3-9 |
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