- Industry: Printing & publishing
- Number of terms: 178089
- Number of blossaries: 0
- Company Profile:
McGraw Hill Financial, Inc. is an American publicly traded corporation headquartered in Rockefeller Center in New York City. Its primary areas of business are financial, publishing, and business services.
A test for protein in which a violet ring appears when concentrated sulfuric acid is introduced below a mixture of the unknown solution and a formaldehyde solution containing a trace of ferric chloride.
Industry:Chemistry
A bioassay that uses a set of histidine auxotrophic mutants of Salmonella typhimurium for detecting mutagenic and possibly carcinogenic compounds.
Industry:Chemistry
A test for monosaccharides conducted in an acid solution; cupric acetate is reduced to cuprous oxide, a red precipitate.
Industry:Chemistry
A solution of potassium and sodium tartrates, copper sulfate, and sodium carbonate; used to detect reducing sugars.
Industry:Chemistry
Laboratory reagent used to determine the concentration of sugars in solution by color titration; contains copper sulfate, sodium potassium tartrate, sodium hydroxide, and ammonia in water solution.
Industry:Chemistry
Membrane-type glass electrode used as the hydrogen-ion sensor of most pH meters; the pH-response electrode surface is a thin membrane made of a special glass.
Industry:Chemistry
Determination of the hydrogen-ion concentration in an ionized solution by means of an indicator solution (such as phenolphthalein) or a pH meter.
Industry:Chemistry
Five standard laboratory solutions available from the U. S. National Institute of Standards and Technology, each solution having a known pH value; the standards cover pH ranges from 3.557 to 8.833. Abbreviated pH(S).
Industry:Chemistry
A precision laboratory distillation procedure used to separate low-boiling hydrocarbon fractions quantitatively for analytical purposes. Also known as Podbielniak analysis.
Industry:Chemistry
Microanalysis technique in which the sample is decomposed thermally, with subsequent oxidation of decomposition products.
Industry:Chemistry
