Kadethrin
Kaolin
Kaolin, calcined
Kaolinite
Kapok
Karaya
Kasugamycin
Kejaat
Kerimid 601 Resin
Kerosene
Ketene
alpha-Ketobutyric acid
alpha-Ketoglutaric acid
Kieselguhr, calcined
Kinetin
S-Kinoprene
Kotibe
Kresoxim-methyl
Krypton
Krypton fluoride
Krypton-85
Kyanite
Kyasanur forest disease virus
Kynurenic acid