Hi everyone,


We have a Delta V Plus instrument on which we analyze C13/C12 ratios.  Our current m/z readings are as follows: m/z 44.0 = 0 mv; m/z 45.0 = 10 mV and m/z 46.0 = 0 mV.  Could someone please send suggestions to help us reduce the m/z 45.0 reading back to 0 or 1 mV?





Agnes Yvette Glenn, PhD

Chemist, Beverage Alcohol Laboratory

TTB Scientific Services Division

6000 Ammendale Rd.

Beltsville, MD 20705

Phone: 240-264-1584

Fax: 202-453-2311