SE350337

SE350337

1,213,445. Thin layer chromatography plates. E. MERCK A.G. 9 June, 1969 [19 June, 1968], No. 29135/69. Heading B1X. Thin layer chromatography plates, which are especially suitable for the direct analysis of amino acid mixtures present in biological fluids without any desalting or similar pretreatmen...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: HALPAAP H, HELGER R, KRAFFCZYK F
Format: Patent
Sprache:eng
Schlagworte:
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
PHYSICS
SEPARATION
TESTING
THEIR RELEVANT APPARATUS
TRANSPORTING
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Zusammenfassung:1,213,445. Thin layer chromatography plates. E. MERCK A.G. 9 June, 1969 [19 June, 1968], No. 29135/69. Heading B1X. Thin layer chromatography plates, which are especially suitable for the direct analysis of amino acid mixtures present in biological fluids without any desalting or similar pretreatment, comprise two contiguous lazers, one of a conventional sorbent such as silica gel, kieselguhr, or most suitably cellulose, the other of cellulose, preferably microcrystalline, containing either 50-80% of a strongly acidic or basic cellulosic ion exchanger, or 5-30%, preferably about 10%, of a strongly acidic or basic polystyrene based ion exchanger, most suitably one containing sulphonic acid groups and having a particle size