BS 3098-99:1970

For 90/160 pyridine bases, colour, distillation range, water, miscibility with water, miscibility with ethanol, basicity, cadmium chloride test, Nessler's test, and sampling and size of sample. For 5/180 pyridine bases, distillation range, water, non-basic material, primary bases, basicity, and sampling and size of sample. Methods of test appended.