Marquis reagent — 3-HO-PCE
White · Brown
3-HO-PCE (Hydroxyeticyclidine)
Source text (English): brown
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.
3-ho-pce · 3-HO-PCE (Hydroxyeticyclidine) · Hydroxyeticyclidine

White · Brown
3-HO-PCE (Hydroxyeticyclidine)
Source text (English): brown
White · Brown
3-HO-PCE (Hydroxyeticyclidine)
Source text (English): brown
White · Brown
3-HO-PCE (Hydroxyeticyclidine)
Source text (English): dark brown
White · Black
3-HO-PCE (Hydroxyeticyclidine)
Source text (English): black
Colour swatches are illustrative, not measured colour values or reaction timing. Original reference observations are preserved below each result.