Answer Posted / jaimesh soni

caffeine having different wavelengths it having 2 maxima & 1 Minima . First maxima is 205 nm & second maxima is 273 nm . Minima is 245 nm. caffeine easily available in market. It is very stable we can use a long time for analysis (it is not degradable)

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1583

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2263

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781

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2270

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3276

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