- 行业: Printing & publishing
- Number of terms: 178089
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- 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 structural rearrangement that accompanies treatment of certain primary aliphatic amines with nitrous acid; the amine will undergo a ring contraction or expansion.
Industry:Chemistry
A structural formula for benzene that contains a bond between opposite atoms.
Industry:Chemistry
C<sub>6</sub>H<sub>5</sub>N(CH<sub>3</sub>)<sub>2</sub> A yellowish liquid slightly soluble in water; used in dyes and solvent and in the manufacture of vanillin. Also known as aniline N,N-dimethyl.
Industry:Chemistry
The 1,4 addition of a conjugated diolefin to a compound, known as a dienophile, containing a double or triple bond; the dienophile may be activated by conjugation with a second double bond or with an electron acceptor.
Industry:Chemistry
HCON(CH<sub>3</sub>)<sub>2</sub> A liquid that boils at 152.8_C; extensively used as a solvent for organic compounds. Abbreviated DMF.
Industry:Chemistry
((NH<sub>3</sub>)<sub>2</sub>Cr(SCN)<sub>4</sub>)NH<sub>4</sub>_H<sub>2</sub>O A reagent to detect mercury (gives a red color or a precipitate), and to isolate organic bases (such as proline or histidine).
Industry:Chemistry
A test for detecting small amounts of arsenic, silver, bismuth, and mercury.
Industry:Chemistry
Analytical reagent for the quantitative analysis of urea; has 12.5% bromine and sodium bromide in aqueous solution.
Industry:Chemistry
Analytical technique for nitrous acid; uses sodium naphthionate and _-naphthol.
Industry:Chemistry
A solvent extraction method used to obtain an accurate determination of the fat content of milk.
Industry:Chemistry
