Major chemical elements concentration in metalliferous sediments of the south...

Chemical elements in the samples analysed were determined by atomic absorption spectrophotometry after completely dissolving the samples in a mixture of hydrofluoric, nitric and...所分析样品中的化学元素，采用原子吸收分光光度法（atomic absorption spectrophotometry）进行测定，测定前需将样品完全溶解于氢氟酸、硝酸及……的混合溶剂中。