“pertechnetic”的英英意思

单词

pertechnetic

释义

pertechnetic, a. Chem.|ˌpɜːtɛkˈniːtɪk|
Also -technic |-ˈtɛknɪk|.
[f. per-¹ 5 b + technetium n. + -ic¹.]
pertechnetic acid, the acid HTcO₄ , produced by dissolving technetium in bromine water.
1952Jrnl. Amer. Chem. Soc. LXXIV. 557/1 It appears..that the dark red crystals formed on evaporating aqueous solutions of Tc₂O₇ correspond to Tc₂O₇.H₂O , or to anhydrous pertechnic acid, HTcO₄ .1962Q. Rev. Chem. Soc. XVI. 307 Pertechnetic acid is a strong acid, and, like perrhenic acid it can be titrated by using indicators such as methyl red.1984Greenwood & Earnshaw Chem. of Elements (1986) xxiv. 1215 The metals dissolve readily in oxidizing acids such as HNO₃ and conc[entrated] H₂SO₄ and also in bromine water, when ‘pertechnetic’ and ‘perrhenic’ acids ( HMO₄ ) are formed.

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