This invention relates to a dry analytical element using a water-soluble indicator which improves measuring accuracy, which comprises a water-impermeable support, a water-permeable layer and a spreading layer having a function to spread a liquid uniformly, wherein a water-soluble indicator for colorimetry is incorporated into the s preading layer.
CROSS-REFERENCE TO RELATED APPLICATIONS
This application is a continuation application of U.S. application Ser. No. 09/512,522, filed on Feb. 24, 2000, which is based on Japanese Patent Application No. 046275/1999 filed Feb. 24, 1999. The disclosures of which are incorporated herewith.
