Simultaneous determination of aspirin and caffeine in the presence of pharmaceutical additives by curve fitting the second-derivative spectra.
2001 ◽
Vol 68
(1)
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pp. 1-11
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1997 ◽
Vol 80
(2)
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pp. 325-330
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2000 ◽
Vol 65
(5-6)
◽
pp. 339-344
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1995 ◽
Vol 3
(4)
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pp. 219-225
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2004 ◽
Vol 60
(10)
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pp. 2189-2194
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1994 ◽
Vol 86
(2)
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pp. 349-354
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1992 ◽
Vol 16
(4)
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pp. 214-216
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