Меню
Your Cart

    Borax 2840199000

    Borax
    Borax
    Borax
    Borax
    Borax
    17.00 грн.
    Found it cheaper?
    • Availability: In stock
    • SKU: 39207686
    • ТН ВЭД: 2840199000
    • The country of manufacture: Евро Союз
    • Status: предоплата
    • Brand name: Европа
    49 views

    Borax (from Arabic beetroot - saltpeter), sodium tetraborate, Na2B4O7 - 10H2O, crystalline hydrate of the sodium salt of tetraboric acid. In nature, it occurs in the form of a mineral - borax (or tinkal), white, less often gray and yellow; density 1690-1720 kg / m3 (see. Natural borates). B. is soluble in water (1.6 g of anhydrous salt in 100 g of H2O at 10 ° C).

    Aqueous solutions of B. are alkaline and absorb CO2 from the air. B. decomposes with strong acids. It is used in soldering, since molten metal dissolves metal oxides and thereby cleans the metal surfaces to be soldered.

    Specifications
    ColorWhite
    TypePowder

    Write a review

    Note: HTML is not translated!
    Bad Good