THC reagent analysis

There are more substances than colors, so to increase analysis precision use a kit with multiple reagents. Exact color of a reaction depends on adulteration, quantity, lighting, temperature, exposure to air, storage, as well as reagent quality and degradation. Positive or negative result does not indicate if a substance is safe. No substance is 100% safe.

THC

thc · Tetrahydrocannabinol (THC, D9-THC, Cannabis, Hash, Marijuana, Weed) · Tetrahydrocannabinol · D9-THC · Cannabis · Hash · Marijuana · Weed

Reagent colour reaction chart for THC
Documented reagent colour reactions for THC.

Cannabis (4-AP) reagent — THC

White · Blue

Tetrahydrocannabinol (THC, D9-THC, Cannabis, Hash, Marijuana, Weed)

Source text (English): blue

THC
Source text (English): Reagents Cannabis (4-AP), Zimmermann
THC
Source text (English): Reagent Cannabis (4-AP). No blue color change indicates sample is not THC dominant.
THC
Source text (English): Reagent Cannabis (4-AP). CBD purple, THC blue.
THC
Source text (English): Reagent Cannabis (4-AP) with CBD isomerization results. CBD purple, THC blue.
THC
Source text (English): Reagent Cannabis (4-AP)
THC
Source text (English): Reagent Cannabis (4-AP). THC blue, CBD purple.
THC
Source text (English): Reagent Cannabis (4-AP) showing blue for THC, purple for CBD (common for synthetic cannabinoids)
THC
Source text (English): Reagent Cannabis (4-AP) showing blue for THC, purple for CBD (common for synthetic cannabinoids)

Colour swatches are illustrative, not measured colour values or reaction timing. Original reference observations are preserved below each result.

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