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 |