. Author manuscript; available in PMC: 2013 Mar 20.

Published in final edited form as: Anal Chem. 2012 Mar 2;84(6):2862–2867. doi: 10.1021/ac203394r

Table 1. Efficient removal of SDS by KDS precipitation.

SDS (w/v)	KCl (Molar)

	4	2	1	0.5	0.25
1.000%	+++++	+++++	+++++	+++++	+++++
0.100%	++++	++++	++++	++++	++++
0.010%	+++	+++	++	+	+
0.005%	++	++	+	-	-
0.001%	+	+	-	-	-

Note: 1 mL SDS and 1 mL KCl of the indicated concentrations were mixed to induce KDS precipitation. “+++++”: precipitation with an observable pellet, “+”: barely visible precipitation. “-”: no precipitation visually observed.