spot test

(redirected from Chemical test)
Also found in: Dictionary, Acronyms, Encyclopedia, Wikipedia.

spot test

Lab medicine The testing of blood or urine by droppering it on a filter paper impregnated with enzymes or other substances which, in the presence of a–blood or urine constituent of interest would result in a specific color change. See Dipstick, Thin-layer chromatography.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
CCTV footage of the chemical examination obtained by media shows doctors and staff of the Sindh government examining the content of recovered bottles by pouring in on their hands, instead of placing it in test tubes and passing it through chemical tests.
SIALKOT -- The agricultural research and technology experts have stressed upon the growers and farmers to conduct the chemical tests of the soil of their agricultural land to know the actual quantity of the fertility before sowing any seasonal crop.
Chemical tests confirmed that the stuff is organic and has a molecular structure like that previously found in the skin of mummified human bodies.
"Both physical and chemical tests will be performed in the lab and SGS has plans to make more strategic expansion to include testing and processing for the leather and footwear industry."
(Cross inking makes normally opaque PE more translucent.) Optical testing isn't designed to replace chemical tests of crosslinking, but to give early warning of a change in the process to permit prompt correction, since off-line chemical tests on cut samples may take days to yield results.
The reference is designed for use by law enforcement and forensic laboratories, guiding readers on the simplest ways if sampling suspect material for field testing and instructions on chemical tests of the most frequently seized controlled substances.
He remained confident that the remaining 200 metres (of a total 1,300m) of the pump would have been finished last night, and given that the lab complete all chemical tests on time, the water distribution will begin on Saturday.
Forensic expert Dr Philippe Charlier, of the Raymond Poincare Hospital, near Paris, used chemical tests to show the relics, which were discovered in 1867, contain materials used to embalm and wrap mummies in ancient Egypt.
Chemical tests however were negative for explosives, as was a second set of tests.
This combination of materials and chemical tests ensures a clean vial that is reliable for analytical sample handling.

Full browser ?