Vitamine C 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.

Vitamine C

vitamine-c

Marquis reagent — Vitamine C

White · Yellow

Vitamine C

Source text (English): very light yellow

Mecke reagent — Vitamine C

White · Orange

Vitamine C

Source text (English): (slow) orange

Mandelin reagent — Vitamine C

Yellow · Blue

Vitamine C

Source text (English): pale blue

Liebermann reagent — Vitamine C

White · Brown

Vitamine C

Source text (English): brown

Froehde reagent — Vitamine C

White · Yellow

Vitamine C

Source text (English): pale yellow

Folin reagent — Vitamine C

No reaction

Vitamine C

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.

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