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action of sulphuric acid on borax

Borax

Last Updated on May 3, 2020 By Mrs Shilpi Nagpal 1 Comment

Structure of borax

Borax contains the tetranuclear unit i.e. [B4O5(OH)4]2– . The correct formula is Na2[B4O5(OH)4].8H2O. Preparation of Borax 1) From Tincal Naturally occurring borax is called tincal or suhaga. Tincal obtained from dried up lakes contains 50% borax. It is boiled with water and filtered to remove insoluble impurities of clay ,sand. The filtrate is concentrated when … [Read more...] about Borax

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