Method and apparatus for chemical spot test analysis

Details Method and apparatus for chemical spot test analysis Method and apparatus for chemical spot test analysis

1979-03-30

1981-11-03

Serwin, R. E.

Chemistry: physical processes

Physical processes

Crystallization

422 56, 422100, G01N 114, G01N 2127

Patent

active

042983452

ABSTRACT:
Chemical analysis of a sample with reagents spotted on a fibrous or porous medium employs a medium pretreated both with reagents and with conditioning agent. The conditioning agent increases the degree to which the liquid reactants wet the medium. One form of pretreated medium has different reagents located predominantly within different selected zones.
Liquid is applied to the medium, typically as diluted sample, at a rate selected to enhance formation of repeatable spots. In one embodiment the liquid is applied by flowing it onto a wick element seated on the medium. The wick is disc-like and small relative to the spot which the reactants form on the medium. The disc can be pretreated to carry reagent, which the liquid transfers to the medium.

REFERENCES:
patent: Re28339 (1975-02-01), Maxon
patent: 2812243 (1957-11-01), Goody
patent: 3138015 (1964-06-01), Avery
patent: 3245306 (1966-04-01), Potter et al.
patent: 3526480 (1970-09-01), Findl et al.
patent: 3549328 (1970-12-01), Kilburn
patent: 3907503 (1975-09-01), Betts et al.
patent: 3937614 (1976-02-01), Sodickson et al.
patent: 3992158 (1976-11-01), Przbylowicz et al.
patent: 4023930 (1977-05-01), Blunck et al.
patent: 4046513 (1977-09-01), Johnson
Klaus, "Critical Layers on Photometric Evaluation of Thin Layer Plates," Journ. of Chromatography, vol. 16:311-326, 1964.

Affiliated with

Also associated with

Rating

Method and apparatus for chemical spot test analysis does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method and apparatus for chemical spot test analysis, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and apparatus for chemical spot test analysis will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1062679