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金矿石(精矿与块矿)其特点是金银的品位都高,他们之间的比例很接近,甚至有些矿石中金量高于银量.目前对这类矿石的金银分析资料很少,并且国家没有标准.为了配合生产,经反复试验,初步拟定了矿石中金银火试金法.金精(块)矿有中性矿石,氧化矿石,硫化矿石,针对矿样性质,我们采用面粉法,焙烧面粉法或铁钉法,焙烧法中的温度为550℃,焙烧时间1.5~2小时,根据试验,
Gold ore (concentrate and lump ore) is characterized by high grade of gold and silver, the proportion between them is very close, and even some of the gold in the ore is higher than the amount of silver present for this type of ore gold and silver analysis of very little , And there is no standard in the country.In order to cooperate with the production, after trial and error, gold and silver fire test gold method was preliminarily formulated.Jinjing (block) ore has neutral ore, oxidized ore and sulfide ore. According to the nature of the ore sample, Flour method, baking flour method or nails method, baking method temperature is 550 ℃, baking time 1.5 ~ 2 hours, according to the test,