Skip to content

Chemist certificate

Definition

A formal written report from an accredited or government analyst stating the identity, purity, and weight of a tested substance. In many jurisdictions it constitutes prima facie proof of those facts, and the defence must actively challenge it to displace that presumption.

Related terms

Chain of custody
The documented chronological record of who collected, handled, transferred, and examined a piece of evidence. For digital evidence, chain of custody includes...
Government analyst
Under India's NDPS Act and earlier Indian law, a scientist employed by the central or state government and designated to analyse seized...
Representative sample
A portion drawn from a bulk seizure in a way that is statistically or procedurally likely to reflect the composition of the...
Reverse-burden presumption
A statutory rule that once the prosecution proves a basic fact (such as possession of a drug above a threshold weight), the...
Threshold quantity
The weight of a controlled substance at or above which a more serious charge, higher penalty, or reverse-burden presumption is triggered. Thresholds...

Explained in

  • Narcotics Law and Forensic AnalysisA formal written report from an accredited or government analyst stating the identity, purity, and weight of a tested substance. In many jurisdictions it const...

Your journey to becoming a forensic professional starts here.

Practice with mock tests, learn from structured notes, and get your questions answered by a global forensic community, all in one place.