贵州农业科学
貴州農業科學
귀주농업과학
GUIZHOU AGRICULTURAL SCIENCES
2015年
6期
184-186
,共3页
牛奶%硫氰酸钠%硫酸铁铵%分光光度法
牛奶%硫氰痠鈉%硫痠鐵銨%分光光度法
우내%류청산납%류산철안%분광광도법
milk%sodium thiocyanate%ammonium ferric sulfate%spectrophotometry
为快速、简便的测定牛奶中硫氰酸，保证牛奶的质量，采用硫酸铁铵分光光度法测定牛奶中硫氰酸钠的含量。结果表明：硫氰酸钠含量在0～16．00μg／mL，服从朗伯！比耳定律，该络合物在462 nm 处具有最大吸光度，相关系数 r＝0．9998。加标回收率在99．0％～101．8％，方法操作简单、结果准确。
為快速、簡便的測定牛奶中硫氰痠，保證牛奶的質量，採用硫痠鐵銨分光光度法測定牛奶中硫氰痠鈉的含量。結果錶明：硫氰痠鈉含量在0～16．00μg／mL，服從朗伯！比耳定律，該絡閤物在462 nm 處具有最大吸光度，相關繫數 r＝0．9998。加標迴收率在99．0％～101．8％，方法操作簡單、結果準確。
위쾌속、간편적측정우내중류청산，보증우내적질량，채용류산철안분광광도법측정우내중류청산납적함량。결과표명：류청산납함량재0～16．00μg／mL，복종랑백！비이정률，해락합물재462 nm 처구유최대흡광도，상관계수 r＝0．9998。가표회수솔재99．0％～101．8％，방법조작간단、결과준학。
To determine sodium thiocyanate in milk quickly and easily,guard the milk quality,the ammonium ferric sulfate-spectrophotometric method was employed to detect the content of sodium thiocyanate in milk.Results:Sodium thiocyanate content ranged from 0 to 16.00μg/mL,obeying the Lambert-Beer law.The maximum absorption of the complex was at 462 nm with correlation coefficient of 0.9998.The recovery rate was 99.0%~ 101.8%.This method is simple with accurate results.
