Table 7. Instrumentation parameter for ICPMS and ESMS optimized for peptide quantification.
Instruments Parameter | Value |
---|---|
ICP-MS | Agilent 8800 |
Mode | Organic (Pt- cones, organic torch, PFA- micronebulizer) |
HF | 1600W |
Nebulizer-type | Microflow |
Nebulizer gas | 0.91 L/min |
Optional gas | 6 % oxygen (80:20 Ar:O2) |
Plasma gas | 0.98 Lmin |
Coolant gas | 15.5 L/min |
Reaction cell gas | O2 |
Reaction cell gas flow | 0.3 mL/min |
ESI – MS: | LTQ Orbitrap Discovery (Thermo Scientific) |
Mode | Positive |
Resolution | 30,000 |
MSMS mode | automatic |
Ionspray voltage | 4.5 KV |