spot test

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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.
References in periodicals archive ?
Until now, chemical tests carried out have revealed no problems regarding the quality of the water.
Army historian Jeffrey Smart has spent the past 22 years at Aberdeen Proving Ground, formerly the Edgewood Arsenal, where many of the chemical tests - particularly on protective equipment - were conducted.
Proper analysis means the use of chemical tests and spectroscopic study of actual paint samples instead of 'scrapes' to determine the colour and composition of paint used in the past.
SGSs investment in Bangladesh ensures that our testing laboratory is capable of performing the right physical and chemical tests for international and national standards.
Islamabad -- The advanced agricultural research and technology experts have stressed upon growers and farmers to conducts the chemical tests of the soil of their agricultural land to know the actual quantity of the land fertility before sowing any seasonal crop, as these tests have now become vital for getting the maximum per acre yield of the seasonal crops.
Further chemical tests of the bottles' contents by the FBI found no evidence of explosive materials.
Two containers in the bag of a female traveller in the United States tested positive for explosives residue on Thursday (17 August), but later chemical tests found no explosives in the bottles.
He served as chairman of the Chemical Methods Committee and made many contributions to all of the TAPPI Test Methods involving paper permanence, including fiber composition, chemical tests, pH, alkaline reserve, and moist and dry accelerated aging.
Foodscan Laboratories, of Hillington, near Glasgow, will carry out microbiological and chemical tests for bugs like salmonella, listeria and the deadly E Coli 0157.
Chemical tests showed that the new seeds had only 2 percent as much gossypol as normal cottonseeds do.
For the chemical tests, the aircraft is sprayed with a vaporized simulated chemical agent, then put inside a hangar for decontamination using heat at about 180 degrees Fahrenheit or six days, a process called ``accelerated weathering.
WaterWorks Salt Water Check is a rapid, accurate alter native to conductivity meters and wet chemical tests, and offers a dip-and-read test alternative for determining concentrations of salt in water.

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