Title :
Studies of Catalytic Kinetic Spectrophotometric Determination of Trace Manganese (II) Sensitized by Microemulsion Medium
Author :
Zhang, Nuo ; Li, Yan ; Dai, Yuxue ; Mao, Kexia ; Wei, Qin
Author_Institution :
Coll. of Chem. & Chem. Eng., Univ. of Jinan, Jinan, China
Abstract :
A new catalytic kinetic spectrophotometric method for the determination of trace amount of manganese (II) (Mn (II)) in microemulsion medium has been developed. The method is based on the catalytic effect of Mn (II) on the oxidation of nuclear fast red by potassium periodate with Nitrilotriacetic Acid (NTA) as an activitor in the presence of Tween-80/n-butanol/n-heptane microemulsion and HAc-NaAc buffer solution (pH = 5.80). The linear ranges are in the range of 0.800 ~ 4.00 ng/mL of Mn(II) at 520 nm and the detection limit is 1.80 times 10-10 g/mL. This method can be used in the determination of trace Mn(II) in nutriment, food and different water samples with satisfying results.
Keywords :
biochemistry; catalysis; chemical hazards; enzymes; manganese; microemulsions; molecular biophysics; organic compounds; oxidation; pH; potassium compounds; reaction kinetics; Mn; Tween-80-n-butanol-n-heptane microemulsion; buffer solution; catalytic kinetic spectrophotometric method; food; nitrilotriacetic acid; nuclear fast red; nutriment; oxidation; potassium periodate; trace manganese (II); water samples; wavelength 520 nm; Chemical engineering; Chemistry; Educational institutions; Geologic measurements; Humans; Instruments; Kinetic theory; Manganese; Pollution measurement; Spectroscopy;
Conference_Titel :
Bioinformatics and Biomedical Engineering , 2009. ICBBE 2009. 3rd International Conference on
Conference_Location :
Beijing
Print_ISBN :
978-1-4244-2901-1
Electronic_ISBN :
978-1-4244-2902-8
DOI :
10.1109/ICBBE.2009.5163437
