Chain of custody
The documented sequence of possession of a sample from acquisition to analysis. Determines what a result can be attributed to.
Related terms
- Provenance
- How a sample was obtained: buyer-sourced, supplier-supplied or laboratory-retained. A first-class field in this index because it changes the weight of the evidence.
see also Chain of custody · Rule AX-R10
Where this term appears
The glossary exists to make record pages readable without a chemistry degree. Every technical term on a report resolves here.
- Assay report records — the term appears in result tables, peak tables and provenance blocks
- Method references — where the measurement behind the term is defined
- All 23 glossary terms beginning with C