Further methods

Ash

Ash

Ash

The determination of the ash content is a gravimetric method, which determines the amount of residue (mostly of organic materials) after complete combustion by back weighing. The ash is the inorganic residue of the thermally treated sample and consists primarily of oxides, carbonates and metals.

The method is used for example as a purity test for organic compounds and can be conducted at different temperatures and with different additives (e.g. sulfuric acid for sulfate ashes).

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