31373737potassium nitratePT2026-03-30 20:40:47UF31373738nitreNDUF31373739saltpetreNDUF31373740niterNDUF31373741nitrate of potashNDUF31373742nitrate, potassiumNDUF31373743potash, nitrate ofNDUF31373744saltpeterNDBT31343456potassium compoundsPT