... acid and on occasion, dissolved amino-substituted triazines, namely, , ammelide, and melamine. In one method, an ammonium ... sulfate solution is heated to the "boil" and treated with a stoichiometric amount of melamine, by which means the cyanuric acid ... agents, especially for polyurethane resins.AnalysisTesting for cyanuric acid concentration is commonly done with a turbidometric test, ...