Bura five-water, Bura ten-water

Borax five-water, Borax ten-water 25kg, wholesale is a colorless crystalline powder soluble in water. Borax hydrolyzes in water, its aqueous solution has an alkaline reaction. With oxides of many metals, borax, when heated, forms colored compounds - borates. It occurs naturally in the form of the mineral tinkal. Density - 1.71 g / cm³. Melting point 741°C.

Chemical formulas:

Anhydrous borax (Na2B4O7)

Pentahydrate (Na2B4O7 5H2O)

Decahydrate (Na2B4O7 10H2O)

However, most often the word borax refers to the compound Na2B4O7 10H2O

The so-called jewelry borax is sodium tetraborate pentahydrate Na2B4O7 5H2O.

Where is it applied?

In the production of enamels, glazes, optical and colored glasses;

When soldering and melting as a flux;

In the paper and pharmaceutical industries;

In the production of building materials as a component of an antiseptic for the manufacture of cellulose insulation "-Ecowool";

As a disinfectant and preservative;

As a standard substance for determining the concentration of acid solutions;

For the qualitative determination of metal oxides (by the color of pearls);

In photography, as part of slow-acting developers as a weak accelerating agent;

As a component of detergents;

As a component of cosmetics;

As a raw material for obtaining boron;

As an insecticide in poisoned cockroach baits.

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