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Mineral waters



Soft drinks: definition and types

Soft drinks are those devoid or almost of ethyl alcohol (by law, max 1%).

Their conservation is done by addition of sugar, or carbon dioxide, or for pasteurization.

They are the fruit juices soft drinks, syrups, and fancy drinks on the market both as cole (beverages made from plant extracts and essences extracted from cola plants from tropical regions; examples: Coke, pepsicola), and is such as carbonated beverages (carbonated, orange).


Water (drinking, mineral and aerated potable)

The waters for feeding can be:

drinking water

L 'drinking water is intended for human consumption.
 
L 'drinking water must be bacteriologically pure and healthy (ie, devoid of pathogens and toxic substances microorganisms, ... with the exception of chlorine, which is often added as a disinfectant, in very small quantities, in the citizens aqueducts!), Clear, colorless, odorless, tasteless.

The drinking water requirements, and therefore its use should be guaranteed by controls (tests) carried out by legally authorized laboratories.

These tests are both bacteriological type, (which, however, besides the absence of pathogenic microorganisms, as already said, must also determine the bacterial load present), and both chemical and physical type, namely the requirements of drinking water by law must not exceed certain values; for example, the total hardness, must be comprised between 15 and 50 French degrees, preferably 20-25 degrees.

The hardness of water is given by the sum of calcium and magnesium salts dissolved in it, and is normally expressed in French degrees. 1 ° F corresponds to 1 mg of CaCO3 (calcium carbonate) in 100 ml. of water (or, if you prefer, to 10 mg of CaCO3 / l. water). Of greater importance are then exams especially of ammonia, nitrites and heavy metals, indices of serious pollution of organic or industrial origin; these components must therefore be absent.

Mineral water.

The mineral waters are natural underground water, being taken in deeper water, and for the quality and quantity of minerals dissolved in them, they are purer (... and above all do not have the taste of drinking water chlorine citizens of aqueducts!) , and may have therapeutic effects.

They rank:
 
a) according to the greater or lesser content of mineral salts, trace elements (less than 50 mg / lt.), and minerals (more than 500 mg / lt.);
 
b) for the presence of certain minerals, we have alkaline water (if prevail bicarbonates), sulphurous, ferruginous, etc .; source, if they come from underground aquifers, and are recognized by law (Ministry of Health).

Mineral waters are marketed in sealed containers, with the following labeling: natural mineral water; designation of water; the results of the analysis and the date; authorize the sale; the bottling date; The date of minimum durability, the barcode.

Carbonated Drinking Water

They are the ones to which is added carbon dioxide (CO2), as the seltzer water (only carbon dioxide), soda water (sodium bicarbonate + CO2)

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