比色分析用过期标准溶液续用方法研究

On the Continued Method Research for Colorimetric Analysis Expired Standard Solution

本文根据准曲线测定样品的原理,经过对过期二氧化氮标准溶液实验,论述了比色分析标准溶液过期后仍可继续使用的方法。该方法的应用解决了长期以来大量过期标准溶液废弃流失,变相浪费、损失和增加环境污染的问题,并使化验室试剂费用成本得以下降、国家物质资源得以节省。

Based on the samples principle of the potential curve. After the expiry of nitrogen dioxide standard solution experiments, it has discussed the colorimetric analysis standard solution expired can continue after the methods used. The method of solving a lot of long- overdue standard solution abandoned loss wasted, losses and the increase in environmental pollution and to improve laboratory reagents expenditure. The cost can be lowered and the state material resources can be saved.