Substance ID
If an unidentified substance is found during an incident investigation, the lab will attempt to identify the substance or components in the substance to assist the investigator. If a source for the substance is suspected, a control sample should be submitted for comparison.
This is a photomicrograph of an
unknown powder to be identified.
unknown powder to be identified.
Using a polarized light
microscope, the powder
is identified as a mixture of sugar and starch.
is identified as a mixture of sugar and starch.
