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高价求助 ，帮忙翻译一下，翻译的好再追加奖励！它是一篇罗马利亚专利部分文献！ 翻译部分详见附件和图片 [img]  [/img]！https://d.namipan.com/d/e075775e693c87e357d3700b2f95c9ef47e4f7562c020200 [ Last edited by kk-001 on 2010-5-28 at 17:35 ] |
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faming
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ringzhu(金币+10):牛人 可否去http://emuch.net/bbs/viewthread.php?tid=1753425&fpage=1 跟帖登记一下~~保持进一步的联系 2011-01-04 10:00:50
ringzhu(翻译EPI+1): 2011-01-07 11:23:43
ringzhu(金币+10):牛人 可否去http://emuch.net/bbs/viewthread.php?tid=1753425&fpage=1 跟帖登记一下~~保持进一步的联系 2011-01-04 10:00:50
ringzhu(翻译EPI+1): 2011-01-07 11:23:43
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Give an example of the invention in a reaction glass vessel, stainless steel or enamel, equipped with stirrer and heating mantle is placed 10 L concentrated solution of thioglycolic acid and dilute to 50 liters with water. The solution thus obtained is added approximately 1 kg of calcium carbonate to The ventilation solution by releasing carbon dioxide. Next, add the lime while stirring until the purple color removal initially formed (pH = 12). By adding water to ensure that the solution volume of 210 l. to be agitated about 1 / 2 hours, ensuring total neutralization of thioglycolic acid. The solution fitreaza and debris on the filter is washed 4 times each with 4 liters of water. Apslare solution add solution mume. As calcium thioglycolate solution ontimuta dilute alcohol with an identical volume of double refined, when precipitated calcium tioglicolatul or focus at normal pressure or in vacuum until a volume of 55 .... 60 l solution, when the first crystals appear tiglicolat calcium. The solution is cooled to about 70 ° C and added with stirring, 50 l double refined alcohol (96%). Continue stirring and cooling to 15 .... 20 oC (degree C). Let it be 1 ..... 2 h and filtered. the filter product is washed twice each with 5 litre of alcohol and then twice each with 3 liters of ethyl ether. It is well absorbed from the vacuum when the product can be considered dry. If necessary, you can leave it in the aiir for about 2 h, spread on trays. Yield: 90%, compared with thioglycolic acid content in taking it. The product corresponds to a purity of 99.5 plus miuns 0.5% . |
8楼2011-01-04 02:50:47
