instructions as for bleaching earth . risk factors harmless, insoluble in water; non-combustible. not subject to the provisions of the imdg books. this is a heavy metal compound and although the substance is not considered dangerous by virtue of its properties, it should not be consolidated with substances...
hydroxides of heavy metals. hence, the concept of "base" was born. this concept was first introduced by the french chemist guillaume françois rouelle in . he noted that acids—which in those days were mostly volatile liquids, such as acetic acid —turned into solid salts only when combined with specific substances...
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products chapter chapter description chapter- salt; sulphur; earths and stone; plastering materials, lime and cement chapter- ores, slag and ash chapter- mineral fuels, mineral oils and products of their distillation; bituminous substances; mineral waxes section- chapter ( to ) section vi - products...