FUB-PB22 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.

FUB-PB22

fub-pb22

Reagent colour reaction chart for FUB-PB22
Documented reagent colour reactions for FUB-PB22.

Marquis reagent — FUB-PB22

White · Orange

FUB-PB22

Source text (English): orange

Mecke reagent — FUB-PB22

White · Brown

FUB-PB22

Source text (English): light brown

Mandelin reagent — FUB-PB22

Yellow · Brown

FUB-PB22

Source text (English): dark brown

Liebermann reagent — FUB-PB22

White · Brown

FUB-PB22

Source text (English): dark brown

Froehde reagent — FUB-PB22

White · Brown

FUB-PB22

Source text (English): light brown

Gallic reagent — FUB-PB22

Brown

FUB-PB22

Source text (English): brown

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

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