DITHIOCARBAMIC ACID-BASED HEAVY METAL SCAVENGER CONCENTRATION MEASUREMENT METHOD AND CONCENTRATION MEASUREMENT REAGENT

摘要

Provided is a measurement method for measuring the concentration of a dithiocarbamic acid-based heavy metal scavenger in a sample, with which it is possible to accurately measure the concentration, while keeping the number of washes to an absolute minimum. This dithiocarbamic acid-based heavy metal scavenger measurement method includes: (1) a step for mixing a scavenger-containing liquid that contains a dithiocarbamic acid-based heavy metal scavenger, a color-producing reagent that reacts with the dithiocarbamic acid-based heavy metal scavenger and produces color, and a polyoxyalkylene alkyl ether, to prepare a sample for concentration measurement; (2) a step for measuring the transmittance and/or the absorbance of the sample for concentration measurement; and (3) a step for calculating the concentration of the dithiocarbamic acid-based heavy metal scavenger from the measured transmittance and/or absorbance.