colorimetric test in a sentence

1. I suspect what the questioner's looking for is the first automated blood chemistry device, which would probably be one of the colorimetric tests on serum.
2. The reagent is commonly used in the biuret protein assay, a colorimetric test used to determine protein concentration by UV / VIS spectroscopy at wavelength 550 nm.
3. A simple colorimetric test is possible by adding a lactose analog which is degraded by ?-galactosidase, producing a colored compound which can be measured quantitatively through spectrophotometry.
4. An improved colorimetric test, called the " Porter Assay " or " butanol-HCl-iron method ", is the most common PCO assay currently in use.
5. The ferric chloride test is a traditional colorimetric test for phenols, which uses a 1 % iron ( III ) chloride solution that has been neutralised with sodium hydroxide until a slight precipitate of FeO ( OH ) is formed.
6. It's difficult to find colorimetric test in a sentence.
7. :: : While it may seem absurd to do an experiment on water, which you made up the reagent in to begin with, for the colorimetric tests the rationale should actually be quite apparent : you " literally " want to see what a negative reaction looks like.
8. In 1943, he published " Th閛ries et m閠hodes nouvelles d'analyse qualitative " ( New theories and methods of qualitative analysis ), which eliminated traditional methods such as hydrogen sulfide tests by replacing them with electrochemical or colorimetric tests, complex chemistry, and non-aqueous chemical reactions.