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Lethbridge Herald Newspaper Archives

- Page 40

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Lethbridge Herald, The (Newspaper) - June 12, 1973, Lethbridge, Alberta Jwio 12, 1971 THE LETHMIDGE HI.1AID IT Sample results in 24 hours Concluded from Page 16 the equipment was functioning properly. When ready, a measured amount of extracting solution was added to the test tube, de- pending on which element in the soil was being tested. The racks, including the soil and extracting solution, then put into a special shaking machine to thoroughly draw the element in question from the sample. Following shaking, the ex- tracting solution with tthe ex- tracted element is poured from the test tubes Into small cups through filter paper. This helps to clean the sample further. A measured amount of this solution is then put into heat resistent cups, heated to evap- orate the liquid portion of the sample and form a powder. A prescribed chemical is then added to the powder to get a color scale, which when tested on a light reading machine, tells the technician how much of the element is hi the sample. Mr. Sandbcrg said every ele- ment has a different extraction process and in many cases, a different testing process. When the feed samples are ground, accurate amounts are taken on analytical balances so delicate toe amount of pencil lead used to cross a T on a sheet of paper can be measur- ed. The sample is then put into beakers and heated on a special machine which simulat- ed the action of an animal's stomach. The "digested feed" is then distilled in order for the techni- cian to determine the amount of protein in the sample. Careful comparison Philip Sondberg, Agri-Analysis manager, carefully atures chemicals used to test samples at the laboratory. Corner 3rd Ave. and 8th St. S. Phone 327-8548 ftrestone STORES Wemake it easy Take a SUNFLIGHT VACATION to one of these Holiday Destinations GENERAL ELECTRIC BTU PORTABLE AIR CONDITIONER Carry it from room to room, it's light weight and compact for easy installation anywhere you've got a standard electrical outlet. NOW ONLY AGTE304rB HAWAII SPAIN MOROCCO MAZATLAND PORTUGAL CANARY ISLANDS 1973 Summer Departures now available Phone or Call AMA WORLD TRAVEL for your FREE, FULL COLOR BROCHURE! "For the Best In Travel ALL-WAYS" Call or Visit World Travel Service 608 5th Ave.S. Phone 328-7921 or 328-1181 All enquiries opwn Monday thru Saturday 9 a.m. to 5 p.m. parking at nor of building SANYO TAPE PLAYER Cassette recorder features automatic shut-off, automatic recording level control, single lever T-bar control, remote control microphone. Operates on 4 C-cells. Black cabinet Moulded carrying handle. M1102 39 95 ;