Method for modifying electron spin resonance signals from hydroc

Details Method for modifying electron spin resonance signals from hydroc Method for modifying electron spin resonance signals from hydroc

1980-10-30

1983-11-15

Turk, Arnold

Chemistry: analytical and immunological testing

Geochemical, geological, or geothermal exploration

For petroleum oils or carbonaceous minerals

324316, 436139, 436173, G01N 2410

Patent

active

044156715

ABSTRACT:
Method for enhancing electron spin resonance signals from crude petroleum by contacting the crude petroleum with a chemical which effects the population of free radical asphaltenes in the crude petroleum. The enhancement is in a positive sense when the chemical is a halogen and particularly iodine. The enhancement is in a negative sense (suppression) when the chemical is ferric chloride.

REFERENCES:
patent: 3060371 (1962-10-01), Townsend et al.
patent: 3719453 (1973-03-01), Erdman
patent: 3740641 (1973-06-01), Hwang et al.
Niizuma et al. Fuel, 1977, vol. 56, Jul. pp. 249-256.
Yen et al., Analytical Chemistry, vol. 34, No. 6, May 1962, pp. 694-700.
Saraceno et al., The Journal of Chemical Physics, vol. 34, No. 1, Jan. 1961, pp. 260-263.

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