Cyanide ion, despite its ambident character, is alkylated preferentially at carbon by alkyl halides and sulphates to give mainly nitriles, isocyanides being formed in only minor amount.
与异氰根不同，氰根离子(且不论异氰根的双价特性)，可以容易的与烷基卤化物或是硫酸盐进行烷基化反应。
参考来源 - 异氰基化合物的合成研究The Thiobacillus spp. can directly or indirectly oxidize the heavy metals or their salts in solid wastes, mainly the insoluble sulfides, into soluble sulphates, and removed by consequent liquid-solid separation.
微生物去除重金属主要利用硫杆菌属将固体废弃物中金属单质或金属盐如难溶性金属硫化物直接或间接氧化成可溶性金属硫酸盐溶出,通过固液分离达到去除重金属的目的。
参考来源 - 氧化亚铁硫杆菌对Pb的耐受及浸出机理研究·2,447,543篇论文数据，部分数据来源于NoteExpress
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