Empower DAD
Posted: Tue Jul 17, 2018 1:58 pm
by ydna1977
Hi ,
How do you determine the points across peak for Peak purity assessment on Empower
Current detector settings
>0.1 min (2 s response time (2.5Hz)
is this 20 ?
Re: Empower DAD
Posted: Tue Jul 17, 2018 7:46 pm
by mattmullaney
Hi ydna1977,
What is/are the width(s) of the peaks of interest at the base--particularly for the smallest/narrowest peak of interest? We'd need to know this as well as the data rate. For 2.5 points/sec, the raw peak should be This calculation is incorrect, please note the EDIT below.
20 points * 2.5 points/sec= 50 sec at the base.
Also, if the installation of Empower has the system suitability module, you'll be able to have these values calculated for you.
EDIT: My apologies--I miscalculated, I'm surprised no one has called me out on it by now.
The calculation should be:
20 points / 2.5 points/sec = 8 sec.
Thus, a peak 8 seconds wide at the base would contain 20 points at a data rate of 2.5 Hz (where Hz = points per sec).