Fast Analysis of Water Samples for Trace Amount of Crystal Violet Dye Based on Solid Phase Extraction Using Nanoporous SBA-3 prior to Determination by Fiber Optic-Linear Array Detection Spectrophotometry

Table 3

A comparison of the represented SPE method with other reported preconcentration methods.

Method	Time (min)	PF^a	LOD (µgL^−1)	Linearly range (µgL^−1)	Reference
CPE-Spectrophotometry^b	20	—	4.8	16–1000	[5]
SPE-Spectrophotometry^c	—	89–96	28	120–8000	[6]
RDSE-direct solid phase Spectrophotometry^d	100	—	1.8	5–225	[7]
SPE^e-FO-LADS^f	2	200	1.3	4–200	This work

aPreconcentration factor.
bCloud point extraction.
cDiatomite.
dRotating disk sorptive extraction.
eNanoporous silica SBA-3.
fFiber optic-linear array detection spectrophotometry.