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单词
potassium dichromate
释义
WordReference Random House Unabridged Dictionary of American English © 2024
potas
′
sium dichro
′
mate,
[
Chem.
]
Chemistry
an orange-red, crystalline, water-soluble, poisonous powder, K
2
Cr
2
O
7
, used chiefly in dyeing, photography, and as a laboratory reagent. Also called
potassium bichromate.
1880–85
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更新时间:2025/11/24 20:46:57