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New Zealand Listener, Volume 26, Issue 656, 1 February 1952, Page 4

PLATINUM Wben the Spaniards conquered South America, they found the Indians making white gold: This was an alloy produced by mixing gold with grains of 4 grey untarnishable metal now known as platinum, a name given to it by the Spaniards fom its resemblance to silver (plata) _ Platinum is gaining ground a8 a favourite metal for jewellery because, like gold, t retains its Justre and does not rust or corrode. This resistance to atmospheric and chemical attack; combined with KS high melting point and ability to promote chemical reactions; has made it 4 metal extremely valuable to modern industry: Alone or allyed with other metals, platinum provides electrical contacts and scientific apparatus Finally, K is S0 stable that it is chosen for making the standard weights and measures kept by the Board of Trade in London Platinum 1 especially important to the chemical indusrya rot only j laboratory apparatus, but 8s & catalyst that is, 2 substance wbich assists 4 chemical process without itself being altered LCL 028 platinun in tbe manufacture of sulphuric acid, 0n8 ef tbe most important chemical raw materials i tbe world and j converting ammonia into tbe nitric acid which 3 used 1 Banufacture fertilizers explosives and many other abatanter ICh MIPERIAL CHEMICAL INDUSTRIES (NZ) LTD: Bad drain smells rilled ! JUST sprinkle in SANPIC, which has been specially developed for the job. In 8 matter of seconds the smell has gone and the air is filled with 4 fresh and fragrant outdoor smell. Use SANPIC for drains, sink8, dust- bing when rashing foors, etc SANPIC SANPIC j non poisonous, hOn- staining, and gafe. In 2 Bizeg . The Disinfectant that smells good. Made by Reckitt & Colman (New Zealand) Ltd , Bond Street, Dunedin. Sn 241 drain oh, SMELL That nasTY ! Does