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纸色谱法对微量矿物的鉴定是极有效的一种方法。继锆、铪、铌、钽等矿物色谱研究工作后,作者又对钙和稀土的磷酸盐矿物中主要成分——钙、稀土和磷酸根的纸色谱行为和其检出限量以及其它离子的R_F值进行了实验。用醇为展开剂,使钙、铈和磷酸根三者分离;拟定了鉴定这类矿物微量(500μ—2mg)的方法,并以毫克量矿物进行磷灰石主成分的测定,与常量法测定结果比较,基本相符。
Paper chromatography identification of trace minerals is a very effective method. Following the work of mineral chromatographic studies on zirconium, hafnium, niobium and tantalum, the paper also investigates the paper’s chromatographic behavior and detection limits of calcium, rare earth and phosphate, the main constituents of calcium and rare earth phosphate minerals, as well as the R_F of other ions Value of the experiment. Using alcohol as developing solvent, the separation of calcium, cerium and phosphate was carried out. A method for identifying trace amounts of this kind of minerals (500μ-2mg) was developed. The main components of apatite were determined by milligram amount of minerals, The results are basically consistent.