paper chromatography?

2 ⤊

paper chromatography?

why should i use pencil in marking rather than ballpen

2007-08-05 20:58:09 · 1 answers · asked by Anonymous in Science & Mathematics ➔ Chemistry

1 answers

The ink from the pen may dissolve in the solvent and interfere with your results. Black or blue ink will separate into its component colors when placed in a solvent. The graphite in the pencil is not soluble, and it is composed of the element carbon - not a mixture of materials.

2007-08-05 21:14:14 · answer #1 · answered by physandchemteach 7 · 2⤊ 0⤋