agent and method for colorimetric or photometric measurements?

摘要

An agent for use in a colorimetric or photometric determination in aqueous solution comrpises: a molded substrate made of non-absorbent, water-insoluble material; and a coating thereon of a solid or waxy organic polymer which dissolves in water to form an optically clear solution; said polymeric coating having a reagent for the determination embedded therein.