question

In paper chromatography, which is the mobile phase?

answer

solvent

question

In paper chromatography, which separates the components of the ink?

answer

Interactions with the filter paper slow the movements of various components of the ink differently.

question

Which describes Rf ?

answer

the ratio of the distance of a spot to the distance of the solvent front

question

Which solvent(s) ran off the paper in the time allotted?

answer

-water-alcohol mixture -water

question

Which color spots were in the dye from the red marker?

answer

-pink -red

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question

Which marker had a spot or streak with an Rf value of approximately 0.67?

answer

red

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question

Which was the slowest spot in the black marker's chromatogram?

answer

lightblue

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question

Which chromatography solvent had the best separation while remaining on the paper in the allotted time?

answer

alcohol

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question

Which marker or markers had Rf values that matched the ink in the ransom note?

answer

-red -black

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Forensics: Paper Chromatography

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