- Elements (6)
- Alkali metals: lithium, cesium, francium, rubidium (1)
- Inorganic acids except nitric and phosphoric (1)
- Isotopes, radioactive (2)
- Nuclear fuel scrap, reprocessing (1)
- Silica compounds (1)
- Silica gel (2)
- Silica, amorphous (2)
- Nonmetallic compounds (2)
- Charcoal (carbon), activated (1)
- Catalysts, chemical (3)
- Chemicals, high purity: refined from technical grade (4)
- Chemicals, reagent grade: refined from technical grade (5)
