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上期谈到的选矿剂新产品中,包括单剂或复方产品,大部份是硫化矿浮选捕收剂。众多的硫化矿捕收剂新产品中,二硫代次磷酸,高级硫醇以及三硫代碳酸酯等一类药剂的商品化,最为引人注目。值得注意的是,许多新产品是一种包含多种活性成份的复方制成品。例如以高级硫醇为主要成份的浮选剂产品中,曾添加过各种活性成份。菲力浦石油公司使用了某些2—烷基咪唑啉的衍生物,苏联文献中则
The new mineral processing agent products mentioned in the previous issue, including single or compound products, are mostly sulfide ore flotation collectors. Among the many sulfide ore collector new products, dithiophosphoric acid, advanced mercaptans and trithiocarbonates and other types of pharmaceutical commercialization, the most eye-catching. It is noteworthy that many new products are a variety of active ingredients containing the composite products. For example, senior mercaptan as the main component of the flotation products, have added a variety of active ingredients. Some uses of 2-alkylimidazoline derivatives are found at Philips, according to the Soviet literature