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Ammonium tetraborate.tetrahydrate

Ammonium tetraborate tetrahydrate is prepared by crystallization from an aqueous solution of boric acid and ammonia having a B202 (NH4)20 ratio of 1.8 2.1. Ammonium pentaborate is similarly produced from an aqueous solution of boric acid and ammonia having a B202 (NH4)20 ratio of 5. Supersaturated solutions are easily formed and the rate of crystallization is proportional to the extent of supersaturation (130). A process for the production... [Pg.206]

The reagents NaOH, Mg(N03)2.6H20 (Janssen), A1(N03)3.9H20 (Katayama), adipic acid (Hanawa), and ammonium tetraborate tetrahydrate (Aldrich) were used as received. Three different methods for preparation of borate-hydrotalcite-like LDHs were compared. The procedures are described in scheme 1. [Pg.171]

Na2B4H8011 sodium tetraborate tetrahydrate 12045-87-3 25.00 1.9500 1 3137 NiCI3H16N06 nickel, ammonium chloride hexahydrate — 25.00 1.6500 1... [Pg.304]

Synonyms Ammonium borate Ammonium metaborate Ammonium tetraborate Diammonium tetraborate Diammonium tetraborate tetrahydrate... [Pg.249]

See other pages where Ammonium tetraborate.tetrahydrate is mentioned: [Pg.303]    [Pg.698]    [Pg.690]    [Pg.772]    [Pg.736]    [Pg.770]    [Pg.690]    [Pg.303]    [Pg.698]    [Pg.690]    [Pg.772]    [Pg.736]    [Pg.770]    [Pg.690]    [Pg.207]    [Pg.207]    [Pg.7019]   


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