| 单词 | sodium sulfide |
| 释义 | sodium sulfidenoun : a sulfide of sodium especially : a crystalline compound Na2S usually obtained by heating sodium sulfate with coal or hydrogen and used in dehairing hides, in the manufacture of sulfur dyes, as a solvent for these dyes, and as a reducing agent for the nitro group in making amines compare black ash entry 2 sense 2, sodium hydrosulfide, sodium polysulfide |
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