Amin Bouchfara

6 Questions 5 Answers 0 Followers

Questions related from Amin Bouchfara

The name society of supply of standard the irones isomere ( alpha iron, ...)?

15 July 2024 134 1 View

The standards have to used for analysis the isomères in orris root essential oils?

Now, I want to analysis the level concentration of isomers irones in orris root essential oil by GC-FID, but I didn't have any idea about what the column used for separation of this isomers and...

06 July 2024 6,700 2 View

How can i quantify the TPC and test the antioxidant activity of non polar extract and polar extract of seeds oil extracted by ethyl acetate?

ow can i quantify the TPC and test the antioxidant activity of non polar extract and polar extract of seeds oil extracted by ethyl acetate?

12 May 2023 8,359 1 View

Samoene can give me the liste of the main phenolic and flavonoids used as Standards in HPLC-UV PLEASE ?

I want pruchase the standards for hplc from Sigma aldrich for study the chemical Composition of some plant, and i want the widlely compounds used

17 April 2023 4,780 4 View

Can i use Gallic acid monohydrate as standard for quanttify the TPC in extract?

Hi everyone, please i i want to prochud gallic acid from Sigma aldrich for use it as standard for quantifify the TPC, but i found on their website "Gallic acid monohydrate"

15 April 2023 9,868 3 View

Is it posssible to mesure polarity of a solvent mixure ?

Just as in a solvent mixture it has a dielectric constant according to the molar fraction x of the components (measured or obtained by means of an average with a mixing rule), is it possible to do...

25 February 2023 6,109 6 View