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大米浊度检验方法的研究与探讨 被引量:1

Research and discussion on determination method of rice turbidity
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摘要 研究了大米浊度的测量方法,准确称取10.00g大米样品于具塞三角瓶中,加入50.0ml纯水,在振荡器上振荡10min,量取1.0ml溶液于25ml容量瓶中,用水定溶至刻度线,摇匀后于680nm波长下比色。本方法的相对标准偏差小于2%,精密度好,重现性高。 The method of measuring rice turbidity was studied.Ten grams rice sample and 50 ml of pure water were added into a triangular flask to oscillate for 10 min,1 ml of the cleaning mixture was added into a volumetric flask(25 ml)and diluted to scale line by pure water.After shaking violently,the diluent was measured by a UV-VIS spectrophotometer at 680 nm wavelength.The method had good precision and high reproducibility,and the relative standard deviation(RSD)was less than 2%.
作者 谢天 任海斌 亓盛敏 郭亚丽 程科 XIE Tian;RENG Hai-bin;QI Sheng-min;GUO Ya-li;CHENG Ke(COFCO Nutrition&Health Research Institute Co.,Ltd,Beijing Key Laboratory of Nutrition&Health and Food Safety,Beijing Engineering Laboratory for Geriatric Nutrition Food Research,Key Laboratory of Quality&Safety Control for Sugar Crops and Tomato of Ministry of Agriculture,Beijing 102209,China;China Grain Wuhan Science Research and Design Institute Co.,Ltd,Wuhan 430079,China)
出处 《粮食与饲料工业》 CAS 2018年第12期1-3,10,共4页 Cereal & Feed Industry
基金 国家重点研发计划(2017YFD0401100)资助
关键词 清洁米 大米浊度 紫外可见分光光度计 clean rice rice turbidity UV-VIS spectrophotometer
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