International Journal of Analytical Chemistry / 2011 / Article / Tab 2

Research Article

Direct Zinc Determination in Brazilian Sugar Cane Spirit by Solid-Phase Extraction Using Moringa oleifera Husks in a Flow System with Detection by FAAS

Table 2

Resulting matrix of the factorial design and analytical response*.

RunCa2+ Mg2+ Na+ K+ Cd2+ Fe2+ Cu2+Integrated absorbance

100000000.2802
250000050005000.2471
305000050050000.0689
4500500005005005000.1440
500500005005000.1385
650005000050000.0709
70500500050005000.0980
850050050000000.0821
90005005005005000.0779
105000050050050000.0120
1105000500005000.0509
12500500050000 00.0137
13005005000000.0000
145000500500005000.1234
15050050050050050000.0000
165005005005005005005000.0286
172502502502502502502500.0000

*Concentration of each interfering ion is given in μg L−1.

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