广东化工
廣東化工
엄동화공
GUANGDONG CHEMICAL INDUSTRY
2011年
11期
137-137,118
,共2页
示差光度法%磺基水杨酸%铁
示差光度法%磺基水楊痠%鐵
시차광도법%광기수양산%철
differential spectrophotometry method%sulfosalicylic acid%iron
目的:改进普通的磺基水杨酸测定铁含量的方法。方法:采用示差光度技术测定饮用水中的微量铁。结果:测量方法的线性范围向下扩展,在1~20μg/25 mL时呈现良好的线性关系,相关系数R为0.999,回收率达89.3%~96.2%。结论:示差光度法可用于饮用水中微量铁的测定。
目的:改進普通的磺基水楊痠測定鐵含量的方法。方法:採用示差光度技術測定飲用水中的微量鐵。結果:測量方法的線性範圍嚮下擴展,在1~20μg/25 mL時呈現良好的線性關繫,相關繫數R為0.999,迴收率達89.3%~96.2%。結論:示差光度法可用于飲用水中微量鐵的測定。
목적:개진보통적광기수양산측정철함량적방법。방법:채용시차광도기술측정음용수중적미량철。결과:측량방법적선성범위향하확전,재1~20μg/25 mL시정현량호적선성관계,상관계수R위0.999,회수솔체89.3%~96.2%。결론:시차광도법가용우음용수중미량철적측정。
Objective: The conventional method which determination of trace iron by sulfosalieyhe acid spectrophotometry was improved.Medthods: The linear range was downward extended by the differential spectrophotometry method.Results: The calibration curye was linear in the range of 1~20 μg/25 mL(R=0.999),The returns-ratio wag about 89.3 %~96.2 %.Conclusion: The method was used to determinate the content of iron in tap water.