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denglingyun金蟲 (小有名氣)
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[求助]
本科畢業(yè)論文翻譯
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大家好,鑒于本人英語較差,希望各位蟲蟲可以幫我翻譯翻譯唄,小女子在此感激不盡。 食品中鉻含量測定常用的方法是石墨爐原子吸收光譜法, 一般采用的前處理方法有干法灰化和傳統(tǒng)的濕式消解法(硝酸+高氯酸的消解方法)。本實驗中采用了一種新的前處理方法—硝酸+硫酸+過氧化氫(過氧化氫濃度為30%)的濕式消解法,用以替代傳統(tǒng)的消解方法,再用石墨爐原子吸收法測定馬鈴薯中鉻的含量。結果表明,該新方法操作安全,簡單,消解完全,結果準確,可以作為選擇方法在實際工作中應用推廣。 |
金蟲 (正式寫手)
| The method used commonly to determine the content of chromium in the food is graphite furnace atomic absorption spectrometry, and pretreatment methods usually use dry ashing and traditional wet digestion method(nitric acid+ perchloric acid). The new pretreatment method that is a wet digestion method with nitric acid + sulfuric acid+ hydrogen peroxide(30% of concentration) is used to replace the traditional in the experiment,then measure the content of chromium in potato by graphite furnace atomic absorption spectrometry. The results show that the new method can be used as a selection method applied in the actual work with safe operation, simpleness, complete digestion and accurate results. |
金蟲 (小有名氣)
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