COATING LIQUID, METHOD FOR PREPARING COATING LIQUID, AND METHOD FOR PRODUCING HYDROGEN GAS SENSITIVE FILM

摘要

Provided is a coating liquid characterized by including: a tungsten chloride; a monovalent alcohol which has 1-4 carbon atoms and dissolves the tungsten chloride; a carboxylic acid which is dissolved in the alcohol and has reducibility; and a metal compound which becomes a metal catalyst having sensitivity to hydrogen gas when reduced by the carboxylic acid.