JWH-203 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.

JWH-203

jwh-203

Marquis reagent — JWH-203

White · Red

JWH-203

Source text (English): red

Mecke reagent — JWH-203

White · Red

JWH-203

Source text (English): red

Mandelin reagent — JWH-203

Yellow · Brown · Black

JWH-203

Source text (English): brown > black

Liebermann reagent — JWH-203

White · Brown

JWH-203

Source text (English): dark brown

Froehde reagent — JWH-203

White · Red · Purple

JWH-203

Source text (English): red > violet > red

Gallic reagent — JWH-203

Brown · Red

JWH-203

Source text (English): red

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

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