Journal of Analytical Methods in Chemistry / 2012 / Article / Tab 5 / Research Article
A Green Preconcentration Method for Determination of Cobalt and Lead in Fresh Surface and Waste Water Samples Prior to Flame Atomic Absorption Spectrometry Table 5 Comparative table for determination of cobalt and lead in different types of samples applying CPE before analysis by atomic spectrometric technique.
Reagent and surfactant Matrix and technique PFa and EFb LODc (
g L−1 ) Reference Cobalt TAN/Triton X-114 Water/(FAAS) —/ 57b 0.24 [25 ] PAN/TX-100 Water samples/(GFAAS) —/ 100b 0.003 [31 ] PAN/TX-114 Urine/(FAAS) —/ 115b 0.38 [32 ] 5-Br-PADAP/TX-100-SDS Pharmaceutical samples/(FAAS) — /29b 1.1 [14 ] TAN/Triton X-100 Water/(GFAAS) — /100b 0.003 [33 ] APDC/Triton X-114 Biological tissues/(TS-FF-FAAS) — /130b 2.1 [34 ] APDC/Triton X-114 Water/(FAAS) — /20b 5.0 [23 ] 1,2-N,N /PONPE 7.5 Water sample/(FAAS) — /27b 1.22 [35 ] Me-BTABr/Triton X-114 Water sample/(FAAS) — /28b 0.9 [36 ] Oxine/Triton X-114 Water sample/(FAAS) 50/50 0.44 Present work Lead DDTP/ Triton X-114 Human hair/(FAAS) — /43b 2.86 [28 ] PONPE 7.5/— Human saliva/(FAAS) — /10b — [37 ] APDC/Triton X-114 Certified biological reference materials/(ETAAS) — /22.5b 0.04c /— [24 ] DDTP/Triton X-114 Certified blood reference samples/(ETAAS) — /34b 0.08 [38 ] PONPE 7.5/— Tap water certified reference material/(ICP-OES) — />300b 0.07 [39 ] DDTP/Triton X-114 Riverine and sea water enriched water reference materials/(ICP-MS) —/— 40.0 [40 ] 5-Br-PADAP/Triton X-114 Water/(GFAAS) 50a /— 0.08c /— [41 ] PAN/Triton X-114 Water/(FAAS) —/ 55.6b 1.1 [27 ] —/Tween 80 Environmental sample/FAAS 10a /— 7.2 [42 ] TAN/Triton X-114 Water sample/(FAAS) 15.1a /— 4.5 [43 ] Pyrogallol/Triton X-114 Water sample/(FAAS) 72a /— 0.4 [44 ] Oxine/Triton X-114 Water sample/(FAAS) 50/70 0.26 Present work
a preconcentration factor, b enhancement factor, and c limit of detection.