【摘要】 硫酸钡质量法测定三氧化硫含量的实验废液中钡离子含量远远超出国家排放标准。为 此，通过对芒硝中三氧化硫含量测定后的实验废液中钡离子含量进行了定量分析，提出了用硫酸 钠处理该废液的具体方法，使实验废液排放达标。该法简便易行。更多还原

【Abstract】 Soluble Ba2+ is a poisonous substance. The content of Ba2+ in waste liquid from the test of determining the content of SO3 with BaSO4 quality method is much higher than designated by the standards. This pape conducts a qualitative analysis about the content of Ba2+ in waste liquid, and provides a method to dispose the waste liquid. The method is simple and effective and easy to hand.更多还原