[The transition of psychotropic drugs in Japanese pharmacopoeia (JP) (Part 3). The transition of the standards and the test methods of potassium bromide between JP VI (1951) and JP XII (1991) and the comparison with BP XIV (1988)].

This is the study on the transition of the standards and test-methods for potassium bromide between JP VI (1951) and JP XII (1991), and the study on the comparison with BP XIV (1988). The results were as follows: the standards and test-methods for potassium bromide have gotten originality gradually by a suitable revision of JP VII (1961)--JP XII (1991) and have become accurate standards in practice for the parties concerned with medicine of our country. They are different from BP XIV (1988) on methodology but have established the effective standards for quality maintenance.