2. Different marker inks were analyzed using a simple paper chromatography experiment. Two marker inks were dissolved separately in a solvent and spotted in the chromatogram. The mobile phase used was 1% NaCl and three ink standards (A-copper-phthalocyanine blue, B-diarylide yellow,C- lithol rubine red) were spotted beside the two sample markers. After the chromatography, the chromatogram showed a separation of colors in the two inks (D and E).
2. Different marker inks were analyzed using a simple paper chromatography experiment. Two marker inks were dissolved separately in a solvent and spotted in the chromatogram. The mobile phase used was 1% NaCl and three ink standards (A-copper-phthalocyanine blue, B-diarylide yellow,C- lithol rubine red) were spotted beside the two sample markers. After the chromatography, the chromatogram showed a separation of colors in the two inks (D and E).
Chapter88: Column Chromatography
Section: Chapter Questions
Problem 4P
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Question
a. calculate the reention factor for each spot from lanes A o E
b. which ink standard was the most polar? least polar?
c. what is the composition of ink D?
Transcribed Image Text:2. Different marker inks were analyzed using a simple paper chromatography
experiment. Two marker inks were dissolved separately in a solvent and spotted
in the chromatogram. The mobile phase used was 1% NaCl and three ink
standards (A-copper-phthalocyanine blue, B-diarylide yellow, C- lithol rubine red)
were spotted beside the two sample markers. After the chromatography, the
chromatogram showed a separation of colors in the two inks (D and E).
Transcribed Image Text:Ruler is in
cm unit
B
с
BEFORE
D
E
A
B
с
AFTER
D
E
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Go to Settings to activ
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