In order to understand better the content of sodium thiocyanate in raw milk, the content of sodium thiocyanate in samples of different sources incluing raw milk, whole milk powder and infant formula were determined. The results showed the average content of sodium thiocyanate in 20 samples of raw milk was 3.63 mg/kg, the average content of sodium thiocyanate in 30 samples of whole milk powder was 29.94 mg/kg, the average content of sodium thiocyanate in 30 samples of infant formula was 16.73 mg/kg. These results may be served as a reference for the food hy...