Marquis reagent — Pyrazolam
White · Brown
Pyrazolam
Source text (English): brownish
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.
pyrazolam

White · Brown
Pyrazolam
Source text (English): brownish
White · Yellow
Pyrazolam
Source text (English): light yellow
No reaction
Pyrazolam
Source text (English): no color change
White · Yellow
Pyrazolam
Source text (English): light yellow
White · Yellow
Pyrazolam
Source text (English): light yellow
No reaction
Pyrazolam
Source text (English): no color change
Pink · Green
Pyrazolam
Source text (English): pale green
White · Purple
Pyrazolam
Source text (English): dark purple / black
Brown · Yellow
Pyrazolam
Source text (English): light yellow
Colour swatches are illustrative, not measured colour values or reaction timing. Original reference observations are preserved below each result.