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weilele0422

金虫 (小有名气)

【答案】应助回帖

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annahit: 金币+30, 翻译EPI+1, ★★★★★最佳答案 2015-01-15 19:55:15
Then, the sample was heated and titrated with perchloric acid to eliminate hydrofluoric acid and protect the testing equipment from corrosion. At the same time, the digestive process was finished. After coolling to room temperature, the sample solution was mixed with 5% of nitric acid and played in the 50 ml flask for testing, the volume of the solution was set up by addition of 5% of nitric acid.
感觉中文语句也不是很合适,改成这样是不是更好些:然后将样品加热,并用高氯酸滴定以消除氢氟酸,保护检测设备免受腐蚀,同时消化过程完成。待冷却至室温后,将样品溶液与5%的硝酸混合后放入50mL量瓶中用于测试,溶液体积根据加入5%的硝酸量确定。
2楼2015-01-15 09:54:03
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