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单词 ammonium bicarbonate
释义

ammonium bicarbonate

noun

: a white crystalline salt NH4HCO3 made by passing carbon dioxide through an aqueous ammonia solution and used chiefly in baking powders and in fire-extinguishing compositions

called also ammonium acid carbonate, ammonium hydrogen carbonate

Word History

First Known Use

1869, in the meaning defined above

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更新时间:2024/9/23 5:34:46