Sheva Rimma

4 Questions 3 Answers 0 Followers

Questions related from Sheva Rimma

My TFC results is higher than TPC, is it possible?

I am doing a research related to determination of total flavonoid and phenolic from plant leaves extract. The TFC is done using AlCl3 method, while the TPC is done using FC method. I have tried to...

23 May 2025 3,263 4 View

In my TLC plate, I see pinkish and bluish coloration under 366 nm, what compound is it?

I am running the TLC on plant leaves extract and got the results with spots that colorless under visible light but have bluish and pinkish coloration under UV 366 nm. Then, I sprayed it with AlCl3...

21 May 2025 2,048 3 View

How to calculate the Total Phenolic and Flavonoid Content (in standard equivalent)?

I am doing research on plant leave extract and calculate the total phenolic and flavonoid in it, I have got the result which is the concentration of the compounds in ppm. If I want to make it...

20 May 2025 4,040 4 View

How to have a good separation result in TLC (targetting terpenoids)?

I am trying to run Thin Layer Chromatography that targets terpenoid compound on an ethanolic extract of leaves. So I am using methanol : ethyl acetate as the eluent with the ratio 4 : 1. Actually,...

13 March 2025 5,935 3 View