Lab 7: Caffeine Quantification by HPLC 

Well done

Wait why do we use the peak area 1153.2 ?

Can i see part two please

Hi, can you tell more about the mobile phases, and column? I am guessing you are using C18 column running isocratic mobile phases but what are the mobile phases? Is that MPA: Water and MPB: ACN or MeOH? Any Ph modifier? Thank you.

Thank you for this 👍👍👍 Tomorrow I'll have an exam on this topic (I hope🤡)

Hello. Do I need to plot the zero point? In my graph, if the line starts in another point than zero, the results are different and do not make sense to me. Could you help me?

how can i read a whole experimental research article and know these kind of instruments (HPLC) and in the article they don’t even tell u it’s a device they just put shortcuts !ah! I’m reading throu bc i need to summarize it and do a presentation on it and present in front of a whole class and I’m just a 3rd semester chemistry stu I’m gon blow up

hello, could you please help me to determine Np by HPLC

What is that word you’re saying in reference to the alpha and beta acids? “Prenalated”?

Power point looks boring