用Claisse-Ⅳ自动熔样札制备X射线荧光光谱分析用的玻璃圆片。根据分析的不同要求,试样与四硼酸锂的比例采取1∶5—1∶30。加入到熔剂混合物中的氧化剂数量视试样中有机物和硫化物的含量而不同。为避免对于测定元素的干扰,可分别选用溴或碘的化合物作为脱模剂。加入较多的溴化物有助于防止玻璃圆片的破裂。熔融温使高于1000℃时,由于硫酸盐会发生分解,因此,试样中的硫不能定量地留存于制备的玻璃圆片中。 Glass disks for X-ray fluorescence spectrometry were prepared using Claisse-IV automatic melting sapphire. According to the different requirements of the analysis, the ratio of the sample to lithium tetraborate is 1: 5-1: 30. The amount of oxidant added to the flux mixture will vary depending on the amount of organic and sulfide present in the sample. In order to avoid interference with the determination of elements, bromine or iodine compounds can be selected as a release agent. Adding more bromide helps prevent the glass wafer from breaking. When the melting temperature is higher than 1000 ° C, the sulfur in the sample can not be quantitatively retained in the prepared glass wafer because the sulfate decomposes.