Chemical elements n.e.c.; inorganic acids and compounds

Other inorganic basic chemicals

2013

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Metalloids

201321

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Halogen or sulphur compounds of non-metals

201322

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Alkali or alkaline-earth metals; rare earth metals, scandium and yttrium; mercury

201323

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Hydrogen chloride; oleum; diphosphorus pentaoxide; other inorganic acids; silicon and sulphur dioxide

201324

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Oxides, hydroxides and peroxides; hydrazine and hydroxylamine and their inorganic salts

201325

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