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多硫化钡

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多硫化钡
英文名 barium polysulfide
识别
CAS号 50864-67-0  checkY
相关物质
其他阳离子 多硫化钙德语Calciumpolysulfid
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。

多硫化钡(Barium polysulfide,化学式:BaSx),别名硫钡粉,是生成的多硫化物

性质

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深灰色粉末,为硫化钡细粉和硫磺细粉的机械混合物。可溶于水,加水反应生成多硫化钡,水溶液呈棕红色或黑褐色。有很强的恶臭气味,在酸中分解,放出元素硫和硫化氢气体。

制取

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重晶石无烟煤经粉碎在高温下焙烧,然后加硫黄、磨碎,制得多硫化钡。

用途

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用作农药中的杀菌剂、杀螨剂,可用于防治小麦锈病和各种果树病害。

参见

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参考资料

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  1. 化学工业出版社组织编写. 中国化工产品大全 上卷. 北京: 化学工业出版社. 1994年7月: 42. ISBN 7-5025-1268-3. 
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多硫化钡
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