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User name Jin Huang
Log entry time 17:03:58 on June 01, 2009
Entry number 278240
This entry is a followup to: 277726
keyword=EPR Calibration for Longitudinal- Field of Cell Moss; Correct Coils has been ON; BB @ 75DegreeAn EPR calibration is performed after bigbtie is moved. There is no change in calibration constant beyond statistical uncertainty.
As well, noise in NMR signal still persist. But it's still with in our tolerance (statistical error ~= 1.6% now).
============== EPR Log ==================
== Test Condition == Cell: Moss Oven Temperature: 230C Field Direction: Longitudinal - Laser Power: 3x25 COMET Cell Density: 7.962 amg Correction Coil: Small = 0.50A; Large = off== K == Pumping Direction: Anti-Parallel Data directory: C:\AyeD\EPR\Data\EPR_AFP_20090601_1650 Calibration Constant: 8.69 %/mV Polarization: 59.4% Field: 24.93 G EPR Frequency Shift: 108.09 kHz
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