spot test

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spot test

[′spät ‚test]
(analytical chemistry)
The addition of a drop of reagent to a drop or two of sample solution to obtain distinctive colors or precipitates; used in qualitative analysis.
References in periodicals archive ?
The defendant argued on appeal that the patient-physician privilege articulated in 735 ILCS 5/8-802 prevents physicians from disclosing any information he/she may have acquired in attending to a patient and that the only exception to this rule is for disclosure of chemical tests in prosecutions where bloodalcohol tests are admissible.
The state of Iowa will be conducting a bid for Chemical Test Strips for the Department of Natural Resources in Des Moines, Iowa.
The first detailed chemical test, completed in 1974, indicated that the ink might be a 20th century product, which seemed to brand the map a modern forgery.
The Cholestron Pro instrument is used in conjunction with a patented disposable chemical test strip developed in collaboration with Roche Boehringer Mannheim, a leading research-based healthcare group.
The contract shall also provide for the supply of chemicals and chemical test kits, for the boiler feedwater system.
LDII has combined efforts with a chemical test company and an electrical engineering group tied to the utilities industry through past and present relationships with the Electric Power Research Institute (EPRI), the nonprofit research organization servicing the electric utility industry.
org Can Now Challenge Chemical Tests that are Used to Determine Blood Alcohol Concentrations
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.
Chemical tests confirmed that the stuff is organic and has a molecular structure like that previously found in the skin of mummified human bodies.
The kits are tailored to specific levels of need: the high-end Engineer's Test Kit for example includes the full suite of reagents and hardware that a water treatment specialist needs to carry out titration, photometric, pH, conductivity and chemical tests.
Chemical tests were then carried out, with results generally indicating the food was safe.
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.

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