silvernitrate

常见例句

• A precipitation method was employed to purify sodium poly (oxyethylene)nonylphenylene ether carboxymethylates with 2 and 4 of EO(ethylene oxide),taking silvernitrate as precipitation agent.
  用硝酸銀作沉澱劑，採用沉澱法提純了標稱氧乙烯（EO）數分別爲2和4的聚氧乙烯烷基酚醚羧甲基鈉鹽，純度在99．8%25以上。
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