THE REPUBLIC OF TEA

Apr 29, 2002 · The concentration of caffeine in black tea was 0.0064 + 0.0000149 g/L and in green, 0.0048 + 0.0000111 g/L. The concentration of caffeine in black tea is 33.3% higher in black tea than in green tea. The wave spectra of decaffeinated green/black tea are subtracted from the wave spectra of green/black tea to obtain the wave spectra of caffeine. ................
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