Sensitivity of scanning densitometers for thin-layer chromatography

2429

Anal. Chem. 1983, 55, 2429-2431

Table I exptl no.

[ F e ( ~ x ) , 1~ M

additive and concn,b M

[phen]/[Fez+lb

K,C,O,, 0.2 K,PO,, 0.05 K,PO,, 0.1 NH,F, 0.1 NH,F, 0.2

8 8 8 12 18 25 34 50 8 8 8 8 8

1

2 3 4 5 6

7 8 9 10 11

12 13

0.006 0.15 0.15 0.15 0.15 0.15 0.15 0.15 0.15 0.15 0.15 0.15

time to equilibrium abs, min

% of the theoretical abs