Reinecken.

Brit.

/ˈrʌɪnɛkə/, U.S.

/ˈraɪˌnɛkə/

Origin: From a proper name. Etymon: proper name Reinecke.

Etymology: < the name of Albert Reinecke, 19th-cent. German chemist, who described the preparation of the salt in 1863 ( Ann. der Chem. u. Pharm. 126 113). With Reinecke salt n. compare German Reineckesalz (1897 or earlier). With Reinecke acid n. compare German Reineckesäure (1896 or earlier).

Chemistry.

1. Reinecke salt n. (also Reinecke's salt) a complex salt containing chromium, which forms red crystals and is used synthetically and analytically to precipitate large organic cations.Systematic name: ammonium diamminetetrakis(isothiocyanato)chromate( iii); NH₄[Cr(NCS)₄(NH₃)₂].H₂O.

ΘΚΠ

the world > matter > chemistry > chemical substances > salts > [noun] > salts named by atomic number > chromates > named

Reinecke salt1892

reineckate1928

1892 Jrnl. Chem. Soc. 62 ii. 798 Reinecke's salt crystallises in rectangular tables; it is insoluble in absolute ether, but dissolves in water to a ruby-red solution and in alcohol.

1928 Chem. Abstr. 22 764 The urine is slightly acidified and evapd. to ¼ its vol., purified with charcoal, and the creatinine pptd. with Reinecke Salt.

1965 tr. Hein & Herzog in G. Brauer Handbk. Preparative Inorg. Chem. II. xxiv. 1377 The total yield of air-dry Reinecke salt amounts to 250–275 g.

1992 Analyt. Chem. 64 1509 A new method for the indirect determination of cocaine..involves the formation of different ion pairs between the drug..and Reinecke salt.

2. Reinecke acid n. (also Reinecke's acid) the parent acid of Reinecke's salt, which can also be isolated as red crystals.Formula: H[Cr(NCS)₄(NH₃)₂].

ΘΚΠ

the world > matter > chemistry > organic chemistry > organic acids > [noun] > miscellaneous other organic acids

melilithic acid1803

melanic acid1822

fulminic acid1824

sulphovinic acid1826

xanthic acid1831

alcoothionic acid1834

althionic acid1834

naphthalic acid1837

murexan1838

oxalhydric acid1838

pimelic acid1838

pyruvic acid1838

thionuric acid1838

glucic acid1840

sericic acid1841

anthranilic acid1842

acrylic acid1843

ulmin1843

rhoeadic acid1846

alizaric acid1848

thiacetic acid1854

fulminuric acid1855

phthalic acid1857

anchoic acid1858

graphitic acid1864

tropic acid1867

thymotic acid1868

octoic acid1881

nucleinic acid1893

polyphosphoric acid1895

hydnocarpic acid1905

glucuronic acid1909

octanoic acid1909

Reinecke acid1928

propenoic acid1948

lipoic acid1951

picloram1965

wyerone acid1970

1928 Brit. Chem. Abstr. A. 542/2 The mixed potassium ammonium salt of Reinecke's acid, obtained by melting together potassium dichromate and ammonium thiocyanate.

1935 Org. Syntheses 15 75 The undissolved residue from the second extraction consists chiefly of Morland salt (the guanidine salt of the Reinecke acid).

1972 Materials & Technol. V. xx. 728 Aqueous acid solutions containing the base are mixed with reinecke acid.

This entry has been updated (OED Third Edition, December 2009; most recently modified version published online March 2022).

单词	reinecke
释义	Reinecken. Brit. /ˈrʌɪnɛkə/, U.S. /ˈraɪˌnɛkə/ Origin: From a proper name. Etymon: proper name Reinecke. Etymology: < the name of Albert Reinecke, 19th-cent. German chemist, who described the preparation of the salt in 1863 ( Ann. der Chem. u. Pharm. 126 113). With Reinecke salt n. compare German Reineckesalz (1897 or earlier). With Reinecke acid n. compare German Reineckesäure (1896 or earlier). Chemistry. 1. Reinecke salt n. (also Reinecke's salt) a complex salt containing chromium, which forms red crystals and is used synthetically and analytically to precipitate large organic cations.Systematic name: ammonium diamminetetrakis(isothiocyanato)chromate( iii); NH₄[Cr(NCS)₄(NH₃)₂].H₂O. ΘΚΠ the world > matter > chemistry > chemical substances > salts > [noun] > salts named by atomic number > chromates > named Reinecke salt1892 reineckate1928 1892 Jrnl. Chem. Soc. 62 ii. 798 Reinecke's salt crystallises in rectangular tables; it is insoluble in absolute ether, but dissolves in water to a ruby-red solution and in alcohol. 1928 Chem. Abstr. 22 764 The urine is slightly acidified and evapd. to ¼ its vol., purified with charcoal, and the creatinine pptd. with Reinecke Salt. 1965 tr. Hein & Herzog in G. Brauer Handbk. Preparative Inorg. Chem. II. xxiv. 1377 The total yield of air-dry Reinecke salt amounts to 250–275 g. 1992 Analyt. Chem. 64 1509 A new method for the indirect determination of cocaine..involves the formation of different ion pairs between the drug..and Reinecke salt. 2. Reinecke acid n. (also Reinecke's acid) the parent acid of Reinecke's salt, which can also be isolated as red crystals.Formula: H[Cr(NCS)₄(NH₃)₂]. ΘΚΠ the world > matter > chemistry > organic chemistry > organic acids > [noun] > miscellaneous other organic acids melilithic acid1803 melanic acid1822 fulminic acid1824 sulphovinic acid1826 xanthic acid1831 alcoothionic acid1834 althionic acid1834 naphthalic acid1837 murexan1838 oxalhydric acid1838 pimelic acid1838 pyruvic acid1838 thionuric acid1838 glucic acid1840 sericic acid1841 anthranilic acid1842 acrylic acid1843 ulmin1843 rhoeadic acid1846 alizaric acid1848 thiacetic acid1854 fulminuric acid1855 phthalic acid1857 anchoic acid1858 graphitic acid1864 tropic acid1867 thymotic acid1868 octoic acid1881 nucleinic acid1893 polyphosphoric acid1895 hydnocarpic acid1905 glucuronic acid1909 octanoic acid1909 Reinecke acid1928 propenoic acid1948 lipoic acid1951 picloram1965 wyerone acid1970 1928 Brit. Chem. Abstr. A. 542/2 The mixed potassium ammonium salt of Reinecke's acid, obtained by melting together potassium dichromate and ammonium thiocyanate. 1935 Org. Syntheses 15 75 The undissolved residue from the second extraction consists chiefly of Morland salt (the guanidine salt of the Reinecke acid). 1972 Materials & Technol. V. xx. 728 Aqueous acid solutions containing the base are mixed with reinecke acid. This entry has been updated (OED Third Edition, December 2009; most recently modified version published online March 2022). < n.1892
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