methods for the extraction of pure nafthaleen sulphur free from steenkolenteer and thionaftheen as secondary product.

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  机译： 从硫矿物中提取纯硫的程序

• 4. A process for removing sulphur from industrial gases by means of a cyclic process with simultaneous extraction of pure sulphur [P] . 英国专利： GB345594A . 1931-03-26

  机译： 一种通过循环过程同时提取纯硫从工业气体中去除硫的方法

• 5. Process and device to prevent loss of solvent in the extraction of elemental sulphur from the product. [P] . BR6913672D0 . 1973-05-03

  机译： 防止从产品中萃取元素硫时溶剂损失的方法和装置。

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• 5. Simple and extraction-free spectrophotometric methods for risperidone in pure form and in dosage forms [O] . Deepakumari Hemavathi N., Mallegowda Shiramahally M., Vinay Kanakapura B., 2013

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