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单词 metatungstic
释义

> as lemmas

metatungstic
metatungstic adj.
Brit. /ˌmɛtəˈtʌŋstɪk/
,
U.S. /ˌmɛdəˈtəŋstɪk/
ΚΠ
1854 R. D. Thomson Cycl. Chem. 363 Metatungstic Acid, HO, W3O9. The ammoniacal salt of this acid is obtained by boiling for some hours bitungstate (paratungstate) of ammonia.
1888 Philos. Trans. 1887 (Royal Soc.) B. 178 54 Another test for peptone..consists in..adding to it acetic acid and a drop of metatungstic acid.
1935 Proc. Royal Soc. A. 150 309 For the boro- and metatungstic acids, the pure 3-cæsium salts are obtained if there is any excess of acid.
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更新时间:2024/11/10 20:06:07