very simple yet to the point and clear! thank you!

Awesome video! easy to understand. Thanks alot

Excellent animation! Very clear! Thanks!!

Thank you so much! This explains the concept in a very clear and easy to understand way. Keep it up sir!

This was extremely useful! Thank you

Thank you so much for this clearly explained video. Although it would have been much better if the video speed was a bit faster and had a voice recording too! But super easy to understand, thanks AGAIN!!!!!

Very helpful now i can finish my analytical chemistry assignment :)

This is just awesome, pls keep on making videos on everything. and it will have success

Great video thanks a lot !

Thank you for your very clear explanation.

So easy. Thank you!

Thanks alot for saving my time & providing mh the best explanation possible ...💝

Clear explanation... but I prefer it to be with voice.. anyway thanks 😍

thank so much! it helps me!

Awsome, you saved my time👍👍

Very nice animation sir....well explained

Thank you so much sir it's very easy to understand 😊

Thank you so Much, this video is really helpful

Simple and useful presentation

thank you very much ^^

Nice video!! I understood

Hey i was wondering wha Programm do u use for your animations ?

Put some more video on hplc... nice video.. easy to understand...!!!

superb animation

Thank you for this video

thank you it's clear

It is all clear with the polar particles.But does a non-polar stationary phase really retain non-polar molecules because they have affinity? What force causes such affinity then?

Well done it is so useful

Saved my life

Well explained sir thank you so much

Very good explanation, thank u sir

thanks so much keep it up ....

One question when u have HPLC -Normal Phase your solvent can be hexane cause this molecule is Non Polar like Mobile Phase isn´t it?

Better than some professors I would say

Thanks so much..

Is the sample to be analyzed in the normal phase polar or non-polar? And in the reverse phase?

easy to understand d concept ...thnku so much ...will u pls upload more videos relates to hplc

Thank you very much

this is simple as simple

Great video. But wish there was audio.

Thanks for the clear explanation...

@leilasvr7144

4 жыл бұрын

thats dont have voice

Thank you sir

I have one question sir Is that Is Stationary phase and identifying spot both are having same state like polar or nonpolar....?

why one of the main use of normal-phase chromatography is for separation of isomers???

Hey everyone, im a little unsure about this. For reverse phase hplc, if the non polar moves slower through the stationary phase, what will be affected?

@zahrazara4492

7 жыл бұрын

the speed of polar particles which are getting out will be affected

@aposvlah1855

7 жыл бұрын

gerry tan why the polar bind then polar??

شكراااا

Good

good

simple and effective

this is good video yet there is no sound?? Thanks

Bless u

@alicksinyangwe1838

6 жыл бұрын

very nice video...thanx alick from zambia

Mujhe bhi samjh aa gya

sir but i don't understand how there will be attraction between two non polar molecules.

@Dealcapon97

8 жыл бұрын

+Surajcxs c.singh Like dissolves in like, they are not interacting based on charge.

@easylearning981

8 жыл бұрын

+Surajcxs c.singh All molecular interactions are fundamentally electrostatic in nature and can be described by some variation of Coulomb's Law. Non-polar molecules can be polarized momentaneously, for example by the repulsion of their own negatively charged electron clouds when they are located nearby to each other, so the oscillating dipoles sense each other and couple. This is a favorable attractive electrostatic interaction known as dispersive interactions. Meanwhile polar molecules in the column are experiencing stronger interactions between them. That is why polar and non-polar compounds tend to repeal each other, as you can see trying to mix some water (polar) and vegetable oil (non-polar) in a glass. :-)

@farahzahar7830

6 жыл бұрын

oil(non polar) still will be separated from water(polar).

thankyou muchas gracias danke schön terimakasih

So much to be said for the difference between normal and reversed phase HPLC, but this video doesn't say shit!!

K

No voice

Poor audio quality