2829 Chlorates and perchlorates, bromates and perbromates, iodates and periodates

2829 (01/1988-..) Chlorates and perchlorates, bromates and perbromates, iodates and periodates 28291100 (01/1988-..) Chlorate of sodium 28291900 (01/1988-..) Chlorates (excl. sodium) 28299010 (01/1988-12/2006) Perchlorates 28299040 (01/1998-..) Bromates of potassium or of sodium 28299050 (01/1995-12/1997) Potassium bromate 28299060 (01/1995-12/1997) Sodium bromate 28299080 (01/1995-12/2006) Bromates and perbromates (excl. potassium bromate and sodium bromate), iodates and periodates 28299090 (01/1988-12/1994) Bromates and perbromates, iodates and periodates