Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Means for analyzing liquid or solid sample
Patent
1979-08-17
1982-02-02
Marcus, Michael S.
Chemical apparatus and process disinfecting, deodorizing, preser
Analyzer, structured indicator, or manipulative laboratory...
Means for analyzing liquid or solid sample
23230R, 23230B, 2101983, 422 70, 73 611C, G01N 3108
Patent
active
043139060
ABSTRACT:
A thin layer chromatography plate is disclosed for two-dimensional chromatography of a sample, in which the plate has a first surface portion including a first composition suitable to perform thin layer partition chromatography in a first direction on the plate and a second surface portion including a second composition suitable to perform thin layer chromatography in a second direction on the plate, wherein the second composition is selected from the group consisting of (1) a composition, different from the first composition, suitable to perform thin layer partition chromatography and (2) a composition suitable to perform adsorptive thin layer partition chromatography. A method of using such a plate is also disclosed.
REFERENCES:
patent: 2875144 (1959-02-01), Karler
patent: 3623841 (1971-11-01), Kraffczyk et al.
Whatman Prod. Bulletin 502, 2/1978.
Thin Layer Chromatography-A Lab. Handbook; E. Stahl, pp. 1-553; Cited 32, 33, 36, 37, 452-455, 395.
Filipi Thomas J.
Mazzei Michael E.
Marcus Michael S.
Whatman Inc.
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