Siti Hawa Binti Yaman

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Questions related from Siti Hawa Binti Yaman

How to make calibration curve using ascorbic acid for DPPH?

Hi im curious about how much ascorbic acid should i use to make a stock solution for stardard calibration curve (10,20,40,60,80,100ppm). Is it okay if I want to use gallic acid instead of ascorbic...

23 June 2023 2,624 1 View

Confusing to use what concentration of dpph

Hi guys, i want to ask you something. I'm doing some study on antioxidant activity in Palm Kernel Cake (PKC) by using DPPH assay method. I observed that my the color of my bio-oil extracted from...

01 January 1970 1,948 2 View