| 单词 | potassium metabisulfite |
| 释义 | potassium metabisulfite [pǝ`tas·ē·ǝm ´med·ǝ·bī`sǝl´fīt] INORGANIC CHEMISTRY K2S2O5 White granules or powder, decomposing at 150-190°C; used as an antiseptic, for winemaking, food preservation, and process engraving, and as a source for sulfurous acid. Also known as potassium pyrosulfite. |
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