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pro vyhledávání: '"Nurliyana Tazulazhar"'
Publikováno v:
Sains Malaysiana. 50:109-121
The extraction efficiency of stimulant drug, namely caffeine, was investigated using a 23 central composite design. The values of optimum extraction condition were set at 468 μL of 1-dodecanol, 1 piece of effervescent tablet, and 22 °C of extractio