2007-10-25 15:03:20 · 3 answers · asked by obstacle 1 1 in Science & Mathematics ➔ Biology
No-any molecule in a given solvent matrix has a uniquely consistent Rf.
Therefore, different solvent, different Rf.
^
I got that from textbook
2007-10-28 12:28:18 · answer #1 · answered by TJ 2 · 0⤊ 0⤋
I don't think the Rf value would be the same. Rf value tells the distance the pigment was carried compared with the distance the solvent traveled. Think of it as a percentage, only usually given in decimal form. So if a pigment's Rf value is 0.65, then the pigment traveled 65% as far as the solvent traveled in that time.
If you use a different solvent, the solvent probably wouldn't carry the pigment exactly as efficiently as the original solvent. If the new solvent carries the pigment a little better, the pigment would go a little farther, and the Rf would be a little higher number. Likewise, if the new solvent doesn't dissolve and carry the pigment as well, the new Rf would be lower.
The distance the pigment is carried depends on how well it dissolves, its charge, its molecular weight, and so on. Different solves will affect the pigments differently.
2007-10-25 23:38:36 · answer #2 · answered by ecolink 7 · 1⤊ 0⤋
Most probably.
2007-10-25 22:08:20 · answer #3 · answered by bendsinister 2 · 0⤊ 0⤋