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Determination of Nitrite in Pork Products by Rhodamine 6Gspectrophotometry |
Ma Weixing;Qian Baohua(Department of Food and Chemiocal Engineerlng, Huaihai Institute of Technology,Lianyungang 222005) |
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Abstract A fairly selective and simple spectrophotometric method for the determin- ationof nitrite in pork products is developed.Nitrite reacts with rhodamine 6G in acid medium to formayellow product which is measured at 442nm and 385nm, Beer’ s law is obeyed over theconcentration range of 0~120Iμg/50ml.
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Received: 13 February 2018
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