广州化工
廣州化工
엄주화공
GUANGZHOU CHEMICAL INDUSTRY AND TECHNOLOGY
2011年
18期
108-109
,共2页
红薯蕃茄粉丝%二氧化硫%蒸馏%碘滴定法
紅藷蕃茄粉絲%二氧化硫%蒸餾%碘滴定法
홍서번가분사%이양화류%증류%전적정법
the starch noodles including sweet potato and tomato juice%sulful dioxide%distillation%titration employing iodine
采用蒸馏-碘滴定法测定了红薯蕃茄粉丝中二氧化硫残留,精密度在1.3%~1.87%之间。结果表明:粉丝中微量二氧化硫的残留量可以用蒸馏-碘滴定法快速检测。此法操作简单、灵敏度高、重现性好。可用于粉丝中二氧化硫质量控制。
採用蒸餾-碘滴定法測定瞭紅藷蕃茄粉絲中二氧化硫殘留,精密度在1.3%~1.87%之間。結果錶明:粉絲中微量二氧化硫的殘留量可以用蒸餾-碘滴定法快速檢測。此法操作簡單、靈敏度高、重現性好。可用于粉絲中二氧化硫質量控製。
채용증류-전적정법측정료홍서번가분사중이양화류잔류,정밀도재1.3%~1.87%지간。결과표명:분사중미량이양화류적잔류량가이용증류-전적정법쾌속검측。차법조작간단、령민도고、중현성호。가용우분사중이양화류질량공제。
A method for determination of sulful dioxide residues in the starch noodles including sweet potato and tomato juice was introduced,by using the method of distillation and titration employing iodine to determine sulful dioxide residues.The accuracy was 1.3% to 1.87%.The result showed that the sulful dioxide residues in the noodles can be fast determined by distillation and titration employing iodine.The operation was easy operation,and the sensitivity and the accuracy were high.The method can control the quality of sulful dioxide residues in the starch noodles including sweet potato and tomato juice.