Division E DETERMINATION OF ROBENIDINE United Kingdom Original text. Later amendments are not shown. 1,3-bis [(4-chlorobenzylidene)amino]guanidine — hydrochloride 1Purpose and scope 2Principle 3Reagents 4Apparatus 5Procedure 6Calculation of results 7Validation of the results 8Results of a collaborative study ← Division 8 Division E Division 1 →