Apparatus and method for oil-in-wax determination

Details Apparatus and method for oil-in-wax determination Apparatus and method for oil-in-wax determination

1973-12-03

1976-07-27

Davis, Jr., Albert W.

Heat exchange

With alarm, indicator, signal, register, recorder, test or...

Remotely controlled inspection means

165 30, 165 36, F28D 2100

Patent

active

039714349

ABSTRACT:
An apparatus for rapidly conditioning wax samples and a method for determining the oil content of said samples with a nuclear magnetic resonance analyzer are described. A molten wax sample is collected in a sample holder. The holder is then placed in a temperature equilibration chamber where the molten wax is rapidly cooled at a temperature of about 25.degree.-33.degree.F with a cold gas stream from a vortex tube. The sample is then heated to a pre-selected equilibration temperature for a preset time at which point the sample is removed from the equilibration chamber. The sample is placed in the analyzer where the nuclear magnetic resonance value of the sample is determined. The sample is removed from the analyzer and weighed. Finally the oil content of the wax sample is obtained from a previously developed correlation between the oil content and the nuclear magnetic resonance value of various wax samples.

REFERENCES:
patent: 2623699 (1952-12-01), Smith
patent: 2685433 (1954-08-01), Wintermann
patent: 3165146 (1965-01-01), Smith et al.
patent: 3165147 (1965-01-01), Roof et al.
patent: 3165149 (1965-01-01), Raible et al.
patent: 3224499 (1965-12-01), Reinecke
patent: 3612165 (1971-10-01), Haynes

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