Compositions and process for liquid scintillation counting

Details Compositions and process for liquid scintillation counting Compositions and process for liquid scintillation counting

1975-12-15

1978-11-07

Padgett, Benjamin R.

Compositions

Nonreactive analytical, testing, or indicating compositions

25230117, 250483, 250484, 424 1, C09K 300

Patent

active

041245270

ABSTRACT:
Liquid scintillation counting compositions which include certain polyethoxylated poly(oxypropylene) emulsifiers allow stable dispersion of aqueous or other samples merely by shaking. Preferred are mixtures of such emulsifiers, which give homogeneous, monophasic-appearing dispersions over wide ranges of temperature and aqueous sample content. Certain of these emulsifiers, without being mixed, are of particular advantage when used in analysis of samples obtained through radioimmunoassay techniques, which are extremely difficult to disperse. Certain of these emulsifiers, also without being mixed, uniformly give homogeneous, monophasic appearing aqueous counting samples over much wider ranges of aqueous sample content and temperature than prior sample emulsifiers.

REFERENCES:
patent: 2674619 (1954-04-01), Lunsted
patent: 2677700 (1954-05-01), Jackson et al.
patent: 3939094 (1976-02-01), Kauffman
Liberman et al., Int. J. of Applied Radiation and Isotopes, vol. 21, 1970, pp. 319-327.
Wyandotte (I), Data Sheet.
Wyandotte (II), Data Sheet.

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