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单词 microcosmic salt
释义 microcosmic salt
noun
Etymology: translation of New Latin sal microcosmicus; from the fact that it was originally obtained from human urine
: a white crystalline salt NaNH4HPO4.4H2O that is obtained by mixing solutions of sodium phosphate and ammonium phosphate or chloride, that is changed to a sodium phosphate glass on heating, and that is used as a flux like borax in beads for testing for metallic oxides and salts; sodium ammonium hydrogen phosphate
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更新时间:2024/12/24 22:05:56