Marquis reagent — Pholcodeine
White · Purple
Pholcodeine
Source text (English): purple
Pholcodeine 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.
Pholcodeine
pholcodeine
Mecke reagent — Pholcodeine
White · Black · Green
Pholcodeine
Source text (English): grey-green
Froehde reagent — Pholcodeine
No reaction
Pholcodeine
Source text (English): no color change
Colour swatches are illustrative, not measured colour values or reaction timing. Original reference observations are preserved below each result.