Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Organometallic fragments involving calcium adducts.
| Observed mass (u) | Theoretical mass (u) | |
|---|---|---|
| C2HCa+ | 64.973 | 64.970 |
| CNCa+ | 65.969 | 65.966 |
| C2H3Ca+ | 66.987 | 66.986 |
| COHCa+ | 68.965 | 68.965 |
| CNOCa+ | 81.958 | 81.961 |
| C2H3OCa+ | 82.982 | 82.981 |
| C4HCa+ | 88.971 | 88.970 |
| C3NCa+ | 89.972 | 89.966 |
| C3NOCa+ | 105.952 | 105.961 |
| C2H3N2OCa+ | 110.978 | 110.987 |
Positive ion ToF-SIMS data obtained from MHM-K2 demonstrating the intimate association between the organic residues and mineral substrate.
