G - Physics – 01 – N
Patent
G - Physics
01
N
G01N 24/08 (2006.01) G01N 33/24 (2006.01) G01N 33/18 (2006.01) G01R 33/44 (2006.01)
Patent
CA 2708557
A method for quantifying bitumen and/or water in a sample comprising bitumen, water and solids using a time-domain nuclear magnetic resonance pulse spectrometer is provided comprising the steps of: initially saturating the magnetization of the sample so that essentially no magnetization remains in the +Z axis; subjecting the sample to a sequence of radio-frequency pulses optimized for the measurement of bitumen and water in the sample; allowing the recording of the transverse relaxation (T2) echo trains after incremental longitudinal relaxation to produce a raw TD-NMR data set for the sample; and determining the amount of bitumen and water by means of a partial least squares optimization based chemometric model relating TD--NMR data sets obtained from a training set of samples comprising bitumen, water and solids to the training samples' corresponding reference values obtained from a standard analysis method for determining bitumen and water.
Bhalla Barjinder
Ghosh Supriyo
Kamar Hesham
Krygsman Peter H.
Paproski Richard Edmund
Bennett Jones Llp
Bruker Corporation
Bruker Ltd.
Syncrude Canada Ltd.
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