This standard specifies a method for directly determining the content of inorganic chlorine, called inorganic chlorine or ionic chlorine, in epoxy resins by potentiometric titration.
JIS K 7243-1:2005 history
2005JIS K 7243-1:2005 Plastics -- Epoxy resins -- Determination of chlorine content -- Part 1: Inorganic chlorine
1996JIS K 7243:1996 Determination of inorganic chlorine in epoxide resins