Bo R 0 N P URE boron has few uses, but the compounds of this element are of great value to industry, sodium tetraborate, known to most people as borax being by far the most im- portant: Borax was originally found in Tibet; but the bulk of the world $ supply now comes from California, where kernite, a crude form of sodium borate, is mined from a deposit four miles long and 100 feet thick lying beneath the Mohave Desert: Borax is used to make porcelain enamels for baths, refrigerators and basins It is important as a Huxs in brazing and welding, and in the refining of precious metals, and it is used in laundries, and for domestic water softening: Both borax and boracic acid are well known in medicine; and other boron compounds are employed as glazes for ceramics, in the manufacture of heat-resisting glass and in agriculture: LGI manufactures the boron compound sodium perborate; which is used in large quantities in household washing powders. It is also an important ingredient of denture cleansers and other toilet preparations, besides having uses in industry as an oxidis- ing and bleaching agent: ICL IMPERIAL CHEMICAL INDUSTRIES NNZ) LTD: Gift DEPT. BookTokens te Qnvser Qe You can buy Book Tokens from any good bookseller and your friends can exchange them at most bookshops. 5/-, 7/6, 10/ , 12/6 and uP, plus 6d for the card_
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https://paperspast.natlib.govt.nz/periodicals/NZLIST19531204.2.43.2
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New Zealand Listener, Volume 29, Issue 751, 4 December 1953, Page 19
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231Page 19 Advertisement 2 New Zealand Listener, Volume 29, Issue 751, 4 December 1953, Page 19
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Copyright in the work University Entrance by Janet Frame (credited as J.F., 22 March 1946, page 18), is owned by the Janet Frame Literary Trust. The National Library has been granted permission to digitise this article and make it available online as part of this digitised version of the New Zealand Listener. You can search, browse, and print this article for research and personal study only. Permission must be obtained from the Janet Frame Literary Trust for any other use.
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