"Descrizione" by Frank123 (12008 pt) | 2020-Nov-16 11:54 |
The fixed residue at 180 °mg/l is the residue of mineral salts of a water brought to boiling point up to 180°.
This value is used in mineral water to indicate the total weight of mineral salts.
The lower the value, the lighter the mineral water is.
A high value of the Residue fixed at 180° indicates that the water contains mineral salts with a significant weight.
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