The Widest Possible Range Available on Isotope Ratio MS
Universal Triple Collector
The universal triple collector is standard on the DELTA V platform and is suitable for all standard applications involving N2, CO, NO, O2, CO2, N2O and SO2.
D/H Collector
A H2 collector with two additional Faraday cups for m/z 2 and 3 is optional for both the DELTA V Advantage and the DELTA V Plus. Because measurement of D/H in Continuous Flow mode requires complete removal of low energy 4He+ ions from the HD+ ion beam at m/z 3, a unique ion optical element is built into the m/z 3 cup which removes all ions other than HD+, even at high He carrier gas loads.
Individual Collector Arrangements
The DELTA V Plus collector array is prepared for up to 10 collectors with deep individually shielded long-life Faraday cups. It offers the choice of several collector widths for optimal tailored solutions combining specific and standard cup systems within the same collector array. Configurations include e.g. m/z 28 to 46 for all major gases and isotopes in air; N2+ — NO+ — N2O+ for N2O isotopomers; simultaneous CO+ — CO2+ experiments; m/z 48 to 66 for SO+ — SO2+ for 18O-corrected SO2 measurements.
| Gas |
Collector Arrangements for Masses (m/z) |
| H2 |
2 |
|
3 |
| N2 |
|
28 |
29 |
30 |
|
| CO |
|
28 |
29 |
30 |
|
| NO |
|
30 |
31 |
32 |
|
| O2 |
|
32 |
33 |
34 |
|
| CO2 |
|
44 |
45 |
46 |
|
| N2O |
|
44 |
45 |
46 |
|
| SO2 |
|
64 |
66 |
|
| DELTA V Plus - Additional Collector Arrangements |
| Air |
28 |
29 |
32 |
33 |
34 |
36 |
40 |
44 |
45 |
46 |
| N2O |
28 |
29 |
30 |
31 |
32 |
|
44 |
45 |
46 |
| CO, CO2 |
28 |
29 |
30 |
|
44 |
45 |
46 |
| N2, CO2 |
28 |
29 |
30 |
|
44 |
45 |
46 |
| SO2 |
|
64 |
65 |
66 |
| SO, SO2 |
|
48 |
49 |
50 |
64 |
65 |
66 |
| CH3Cl |
|
50 |
51 |
52 |
53 |
|
| CH3Br |
|
94 |
96 |
| Ne |
20 |
21 |
22 |
|
| Ar |
|
36 |
38 |
40 |
|
| Kr |
|
78 |
80 |
82 |
84 |
86 |
DELTA V Collector Unit
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