Compositions and process for liquid scintillation counting

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

1973-11-30

1976-02-17

Demers, Arthur P.

Compositions

Organic luminescent material containing compositions

Optical brightening compositions

23230B, 23230R, 250483, 250484, 2523011R, 2523012R, 252408R, 260615R, 424 1, G01T 1167

Patent

active

039390942

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), Lundsted
patent: 2677700 (1954-05-01), Jackson et al.
Lieberman et al., Int. J. Applied Radiation and Isotopes, Vol. 21, 1970, pp. 319-327.
Wyandotte (I) Data Sheet.
Wyandotte (II), Data Sheet.

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