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Mobile Phase

http://www.chromforum.org/viewtopic.php?f=1&t=93504

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Mobile Phase

Posted: Wed Feb 13, 2019 1:30 pm
by Dr.Malik
Hi all,
How many days can I use the mobile phase for lc/msms?
A: Water + Ammonium Formate+ Formic Acid
B: Methanol + Ammonium Formate+ Formic Acid
for pesticide detection

Re: Mobile Phase

Posted: Wed Feb 13, 2019 2:47 pm
by Rndirk
We use A for a maximum of +-3 days, and B for +-1week.

Re: Mobile Phase

Posted: Thu Feb 14, 2019 11:00 pm
by Multidimensional
One day. Make fresh solutions at the start of each day (and only enough to use).
All times are UTC
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