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在硫的物相分析中,硫酸根的测定大都采用碳酸钠溶液浸取或碳酸钠熔融以测定矿物岩石中的硫酸根,其手续繁琐,费时较多。本文是将样品在850℃下灼烧除去自然硫和硫化物中的硫,以五氧化二钒(或铁粉)作助熔剂再按燃烧法测硫的手续进行测定,从而大大地简化了分析手续,加快了分析速度。分析手续:称取0.2～0.5克样品于瓷舟中,置于马弗炉里在850℃灼烧半小时,取出放冷并
In the sulfur phase analysis, most of the determination of sulfate using sodium carbonate solution or sodium carbonate melting to determine the sulfate in mineral rock, the tedious procedures, more time-consuming. In this paper, the sample is burned at 850 ℃ to remove the sulfur in natural sulfur and sulfide, with vanadium pentoxide (or iron powder) as a flux and then measured by the combustion method of sulfur determination, which greatly simplifies the analysis Procedures to speed up the analysis speed. Analysis procedures: Weigh 0.2 to 0.5 grams of sample in the porcelain boat, placed in a muffle furnace at 850 ℃ burning half an hour, remove the cold and