In this paper, the method, step and requirement to determine gold and silver content of gold-bearing quartz by fire assay are described.
本文说明了用火试金法测定金块矿中金和银量的方法、步骤。
We want to buy Iron Oxide, Limonite, Kaolin Clay, Gypsum Calcium Carbonate, Sand Glass, Fire Brick, Feldspar, Quartz, Bentonite, Dolomite Metal Mineral.
我们要采购氧化铁，褐铁矿，高岭土，石膏碳酸钙，砂玻璃，防火砖，长石，石英，膨润土，白云石，非金属矿物。
My factory productions quartz sand mainly uses in the glass, fire-proof material, smelting ferrosilicon, flux, ceramics, abrasive substance, casting.
我厂生产的石英砂主要用于玻璃，耐火材料，冶炼硅铁，冶金熔剂。
My factory productions quartz sand mainly uses in the glass, fire-proof material, smelting ferrosilicon, flux, ceramics, abrasive substance, casting.
我厂生产的石英砂主要用于玻璃，耐火材料，冶炼硅铁，冶金熔剂。
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