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Cocaine Purity Test Kit (TLC) — PRO Test
A review of chemical 'spot' tests: A presumptive illicit drug identification technique - Philp - 2018 - Drug Testing and Analysis - Wiley Online Library
ID-Test : Heroin purity evaluation test
Spot tests: past and present
GBL identification test on solid substances - NarcoCheck
Drug Purity Test Kits
Touch&Know Multi Drug Test Kit - General Screening with Instant Results - Tests for 30 Substances - Easy to Use Home Drug Identification Test Kit Perfect for Concerned Parents, Relatives, Caregivers
Frontiers Is the Urine Cannabinoid Level Measured via a Commercial Point-of-Care Semiquantitative Immunoassay a Cannabis Withdrawal Syndrome Severity Predictor?
Electrochemical paper-based analytical devices: ten years of development - Analytical Methods (RSC Publishing) DOI:10.1039/C9AY02350J
Chemosensors, Free Full-Text
A review of chemical 'spot' tests: A presumptive illicit drug identification technique - Philp - 2018 - Drug Testing and Analysis - Wiley Online Library
Recent advances in the development of portable technologies and commercial products to detect Δ9-tetrahydrocannabinol in biofluids: a systematic review, Journal of Cannabis Research
EZ test for cocaine - Novus Fumus
Semi-quantitative test cocaine purity evaluation - NarcoCheck