| 单词 | sulphur(vi) oxide |
| 释义 | sulphur(VI) oxide in British English British or sulfur (VI) oxide US (ˈsʌlfə sɪks ˈɒksaɪd) noun another name for sulphur trioxide sulphur trioxide in British Englishnoun a white corrosive substance existing in three crystalline forms of which the stable (alpha-) form is usually obtained as silky needles. It is produced by the oxidation of sulphur dioxide, and is used in the sulphonation of organic compounds. Formula: SO3 Systematic name: sulphur(VI) oxide |
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