PRETREATMENT APPARATUS FOR ANALYZING CONCENTRATION OF METAL IN WASTEWATER AND ANALYZING SYSTEM EQUIPPED WITH IT

摘要

PROBLEM TO BE SOLVED: To provide a pretreatment apparatus capable of stably performing sampling for analyzing a metal element in wastewater and the pretreatment of wastewater for a long time.;SOLUTION: The pretreatment apparatus for analyzing the concentration of a metal in a sample liquid includes a means for sampling the sample liquid in a container, an acid adding means for adding a definite amount of an acid to the sample liquid in the container, a glass ball filter, a means for inserting the glass ball filter in the container and drawing the same out of the container, sample liquid piping for connecting the glass ball filter and a sample liquid outlet, air piping for supplying air into the sample liquid piping, washing water piping for supplying washing water to the sample liquid piping, a sample liquid transporting system for passing the sample liquid in a receiving container through the sample liquid piping through the glass ball filter and discharging the same from a sample liquid outlet, and a measuring tank for receiving the sample liquid discharged from the sample liquid outlet.;COPYRIGHT: (C)2009,JPO&INPIT