Marquis reagent — A-PVP
No reaction
a-PVP
Source text (English): fizzes clear
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.
a-pvp · a-PVP

No reaction
a-PVP
Source text (English): fizzes clear
White · Yellow
a-PVP
Source text (English): light yellow
Yellow · Orange · Red · Brown · Yellow
a-PVP
Source text (English): short reddish
White · Yellow
a-PVP
Source text (English): light yellow
White · Yellow
a-PVP
Source text (English): faint yellow
No reaction
a-PVP
Source text (English): no blue color change
No reaction
a-PVP
Source text (English): no color change
White · Yellow
a-PVP
Source text (English): yellowish
Pink · Blue
a-PVP
Source text (English): blue
Pink · Green
a-PVP
Source text (English): pale green
White · Yellow
a-PVP
Source text (English): yellow
No reaction
a-PVP
Source text (English): no color change
White · Orange
a-PVP
Source text (English): orange
Colour swatches are illustrative, not measured colour values or reaction timing. Original reference observations are preserved below each result.