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单词 xanthate
释义

xanthaten.

Brit. /ˈzanθeɪt/, U.S. /ˈzænˌθeɪt/
Etymology: < xanthic adj. + -ate suffix4.
Chemistry.
(a) A salt of xanthic (sulphocarbethylic) acid. Hence more widely, a salt or ester of any acid of the form RO·CS·SH, where R is an alkyl or similar radical. (b) A compound of xanthic oxide (xanthine) with an alkali.
ΘΚΠ
the world > matter > chemistry > organic chemistry > organic salts > [noun] > miscellaneous others
alum zucarinea1425
white precipitate1588
volatile salt or salts1639
malate1788
oxalate1788
sebate1788
succinate1789
camphorate1800
suberate1800
tannate1802
formate1807
zymate1817
uranate1819
ambreate1820
fungate1821
hydriodide1823
sorbate1823
fulminate1824
uraniate1824
pinate1829
oleate1831
pectate1831
resinate1831
xanthate1831
formobenzoate1834
racemate1835
indigotate1838
japonate1838
oxalhydrate1838
oxalovinate1838
palmate1838
pyruvate1838
roccellate1838
rubinate1838
verdite1838
oxalurate1839
sesquisalt1839
palmitate1840
rhabarbarate1840
hippurate1841
palmitin1841
sericate1841
stearate1841
oenanthylate1843
humate1844
parabanate1844
urethylane1844
angelate1846
fungiate1847
nitroprusside1849
sodium nitroprusside1849
fulminurate1855
igasurate1855
inosinate1855
phenate1857
sinapate1857
styphnate1857
anchoate1858
parellate1858
toluate1860
piperate1862
fumarate1864
glycollate1864
hydurilate1865
hyoglycocholate1865
isamates1865
itaconates1865–72
paralactate1866
porphyrate1866
usnate1866
thebolactate1867
oxalonitrate1868
rhodanate1868
stearerate1868
terebate1868
terephthalate1868
thymotate1868
turpetholate1868
violurate1868
viridate1868
xanthide1868
glycocholate1872
xylate1872
xylidate1872
tiglate1875
peptonate1876
hydracrylate1877
thymolate1880
formamidine1882
carboxylate1884
nucleate1896
phytin1905
cacodylate1908
cupferron1910
protamine sulphate1915
metallic soap1918
pentaerythritol tetranitrate1923
phosphagen1927
phosphocreatine1927
viologen1933
pentachlorophenate1938
hyaluronate1946
tetraethylpyrophosphate1947
pteroylglutamate1948
inosate-
the world > matter > chemistry > organic chemistry > organic compounds > [noun] > heterocyclic compounds > containing nitrogen > xanthine > compounds of
xanthate1831
1831 T. Thomson Syst. Chem. (ed. 7) II. 176 During the distillation of xanthate of potash, a substance comes over which Zeise has distinguished by the name of xanthic oil.
1868 H. Watts Dict. Chem. V. 498 Xanthate of sodium forms yellow needles.
1868 H. Watts Dict. Chem. V. 499 Xanthate of Antimony..forms large, lemon-yellow, triclinic crystals... Xanthate of Bismuth..crystallises in shining golden-yellow laminæ.
1887 A. M. Brown Treat. Animal Alkaloids ii. i. 79 [Xanthine] combines with the alkalies,..forming xanthates.
1895 C. F. Cross & E. J. Bevan Cellulose iii. 248 The precipitated xanthate may be treated with solutions of suitable salts of the heavy metals, and the cellulose xanthate of the metals prepared.
1945 Jrnl. Chem. Soc. 666 Debus..showed that O-ethyl S-ethyl xanthate, EtO·CS·SEt, could be readily prepared by the interaction of potassium xanthate and ethyl iodide.
1951 C. R. Noller Chem. Org. Compounds xvi. 311 The sodium alkyl xanthates are used as collecting agents in the flotation process for the concentration of ores.
1974 Encycl. Brit. Micropædia X. 777/1 The most important group of xanthates are the sodium salts produced from cellulose.
This entry has not yet been fully updated (first published 1921; most recently modified version published online December 2021).

> as lemmas

ˈxanthate
ˈxanthate v. (transitive) to cause to undergo xanthation; also absol.
ΘΚΠ
the world > matter > chemistry > chemical reactions or processes > subject to chemical reactions or processes [verb (transitive)] > subject to named chemical reaction or process > subject to xanthation
xanthate1952
1952 U.S. Patent 2,592,355 1 In manufacturing viscose-rayon fiber, a low cellulose, high alkali and low viscosity is prepared..by xanthating and dissolving same in usual way.
1962 J. T. Marsh Self-smoothing Fabrics iv. 30 The crumbs of alkali-cellulose are then xanthated by treatment with carbon disulphide in a rotating churn for about 3 to 4 hr.
extracted from xanthationn.
<
n.1831
as lemmas
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