The title compound has been obtained by the reaction of copper powder with sulfur powder, potassium sulfide and 3-methylpyridine at ambient temperature and normal atmosphere.

采用铜粉、硫粉、硫化钾及3-甲基吡啶在常湿、常温下直接合成了标题化合物。

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This compound consists of positively charged potassium ions and negatively charged trifluoromethylsulfonates.

这种混合物中包含了带正电荷的钾离子和带负电荷的聚三氟甲基磺胺离子。

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Fortunately, an easy form of protection is potassium iodide, a simple compound typically added to table salt to prevent goiter and a form of mental retardation caused by a dietary lack of iodine.

幸运的是，存在一种简单的保护方式，这就是碘化钾。它是通常添加到食盐中的一种简单的化合物，可以预防甲状腺肿大和因碘营养缺乏所致一种精神障碍。

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The potassium compound is used in fertilisers and the UK's only current mine is at Boulby in North Yorkshire.

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Sirius Minerals claims some of the world's best deposits of potash, a potassium compound, lie beneath the North York Moors National Park.

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Potash is a potassium compound mostly used in fertilisers.

BBC: Company puts ?54m into North Yorkshire potash scheme