id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
ecletica-257	Antunes, Patrícia Alexandra; Bannach, Gilbert; Chierice, Gilberto Orivaldo; Cavalheiro, Éder Tadeu Gomes	Direct and simultaneous spectrophotometric determination of Ni (II) and Co (II) using diethanoldithiocarbamate as complexing agent	2009	7	.pdf	application/pdf	3100	166	69	Example of analytical curves for Co2+ and Ni2+ determination and the absorbance of samples 1 an 2. 0 2 4 6 8 10 0.0 0.2 0.4 0.6 0.8 b CNi2+ = 1.00.10-4mol L-1 CCo2+ = 1.00.10-3 - 1.00.10-5 mol L-1 CDEDC = 1.00.10-2 mol L-1 λ = 638 nm < sample 2 < sample 1 A bs or ba nc e CCo2+ / mol L-1 0 2 4 6 8 10 0.8 1.0 1.2 1.4 1.6 1.8 c < sample 1 CCo2+ = 1.00.10-4 mol L-1 CNi2+ = 1.00.10-3 - 1.00.10-5 mol L-1 CDEDC = 1.00.10-2 mol L-1 λ = 390 nm A bs or ba nc e CNi2+ / 1·10-5 mol L-1 0 2 4 6 8 10 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 a < sample 2 CNi2+ = 1.00.10-4mol L-1 CCo2+ = 1.00.10-3 - 1.00.10-5 mol L-1 CDEDC = 1.00.10-2 mol L-1 λ = 360 nm < sample 1 A bs or ba nc e CCo2+ / 1·10-4 mol L-1 Figure 3. Adjusting the best metal/ligand ratio, supporting eletrolite, pH, and time of analysis, linear analytical curves from 1.0 10-6-4.0 10-4 for Co(II) in the presence of Ni 1.0 10-6-1.0 10-4 mol L-1 were observed.	cache/ecletica-257.pdf	txt/ecletica-257.txt