Method for preparing samples for application to a thin layer chr

Details Method for preparing samples for application to a thin layer chr Method for preparing samples for application to a thin layer chr

1979-05-21

1981-02-03

Beck, Shrive P.

Coating processes

Medical or dental purpose product; parts; subcombinations;...

Particulate or unit-dosage-article base

210658, 422 58, 427275, 427294, B05D 300

Patent

active

042489040

ABSTRACT:
A chemically inert, non-absorptive applicator sheet, a depression defined by a recessed portion of the applicator sheet, a transfer coating on at least a portion of a top surface of the applicator sheet, means for evaporating a solution of sample and carrier solvent deposited on the transfer coating, and a displacement mechanism for displacing a sample formed in the recess are disclosed. The depression in the applicator sheet may be formed by imposing a suction beneath the applicator sheet; and a displacement of a sample formed in the depression may be accomplished by introducing pressure beneath the applicator sheet.

REFERENCES:
patent: 2066130 (1936-12-01), Von Hofe et al.
patent: 2124711 (1938-07-01), Rowell
patent: 2284491 (1942-05-01), Mandell
patent: 2647337 (1953-08-01), Martin
patent: 3757952 (1973-09-01), Baitsholts et al.
patent: 3868901 (1975-03-01), Valiela
patent: 3871293 (1975-03-01), Valiela
patent: 4011350 (1977-03-01), Markovits et al.

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