Browsing by Subject "Zero-crossing"
Now showing items 1-2 of 2
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(Marcel Dekker Inc., 1996)
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(Kluwer Academic Publishers, 1999)A simple method by first derivative spectrophotometry is proposed for the simultaneous determination of o-nitrophenol and p-nitrophenol. The analytes were separated from samples by liquid-liquid extraction (pH = 7.4) as ...