Halogen24311200-9Basic inorganic and organic chemicals
Alkali metals24311300-0Basic inorganic and organic chemicals
Mercury24311310-3Basic inorganic and organic chemicals
Hydrogen chloride, inorganic acids, silicon dioxide and sulphur dioxide24311400-1Basic inorganic and organic chemicals
Inorganic acids24311410-4Basic inorganic and organic chemicals
Sulphuric acid24311411-1Basic inorganic and organic chemicals
Phosphoric acid24311420-7Basic inorganic and organic chemicals
Polyphosphoric acids24311430-0Basic inorganic and organic chemicals
Hexafluorosilicic acid24311440-3Basic inorganic and organic chemicals
Sulphur dioxide24311450-6Basic inorganic and organic chemicals