Quantification of Sodium Sulfocyanate in Raw Milk by Ferric Salt Method

doi:10.7506/spkx1002-6630-201018070

FOOD SCIENCE ›› 2010, Vol. 31 ›› Issue (18): 298-300.doi: 10.7506/spkx1002-6630-201018070

• Analysis & Detection • Previous Articles Next Articles

Quantification of Sodium Sulfocyanate in Raw Milk by Ferric Salt Method

WANG Dan-hui1，ZHANG Feng-mei2，LI Mei1，LIU Wei-xing1

1. Inner Mongolia Mengniu Dairy Industry (Group) Co. Ltd., Hohhot 011500, China；
2. Inner Mongolia Agricultural University, Hohhot 010018, China

Received:2009-09-11 Online:2010-09-25 Published:2010-12-29
Contact: WANG Dan-hui1 E-mail:wangdanhui2006@126.com

Abstract

Abstract:

For the examination of thiocyanate adulteration, raw milk samples were subjected to protein precipitation and filtration and the filtrate was then added with ferric salt solution and the calculation of thiocyanate content based on absorbance determination due to color change caused by the reaction between thiocyanate and ferric salt was performed. This method was successfully used to thiocyanate determination in raw milk with excellent linearity, high recovery rate and good repeatability at sulfocyanate concentrations of less than 30 mg/L. In general, this method is suitable for the quality test of diary products due to its simple operation and accurate results.

Key words: raw milk, sodium sulfocyanate, detection, ferric salt method

CLC Number:

TS252.7

WANG Dan-hui1，ZHANG Feng-mei2，LI Mei1，LIU Wei-xing1. Quantification of Sodium Sulfocyanate in Raw Milk by Ferric Salt Method[J]. FOOD SCIENCE, 2010, 31(18): 298-300.

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Quantification of Sodium Sulfocyanate in Raw Milk by Ferric Salt Method

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