*_ LORRE HPLC Recharge Center_* *2/28/2014* To all: For research requirements, we have changed the mobile phase of HPLC System #7 from .005M H_2 SO_4 to 5% Acetonitrile in .005M H_2 SO_4 . This means that if you are now using System # 7, you can try the new mobile phase to analyze your sample or if you want to use the original mobile phase, you can move to Systems #1 or #4. Please follow the new HPLC system setup (see below): *System:* *Column:* *Mobile Phase:* *Detector:* #1 HPX-87H .005M H_2 SO_4 RI #2 C18 Ethyl Acetate (A) Acetonitrile (B) UV #3 HPX-87P Water RI #4 HPX-87H .005M H_2 SO_4 RI #5 /Plan to set up new C18 column system/ #7 ROH-orange acid 5% Acetonitrile in .005M H_2 SO_4 Photodiode Array (996) & RI Thanks, The LORRE LC Recharge Center