|
|
Iranian Journal of Chemistry and Chemical Engineering، جلد ۳۶، شماره ۱، صفحات ۱۲۵-۱۳۳
|
|
|
| عنوان فارسی |
|
|
| چکیده فارسی مقاله |
|
|
| کلیدواژه‌های فارسی مقاله |
|
|
| عنوان انگلیسی |
Colorimetric Assay for 4-Phenylthiosemicarbazide Detection in Environmental Samples Based on Prussian Blue Nanoparticles Formation Ion |
|
| چکیده انگلیسی مقاله |
In this research, a fast colorimetric method for the detection of 4-phenylthiosemicarbazid (4-PTSC) in environmental samples, is reported for the first time. Semicarbazide compounds have been used as pesticides or fungicides in agriculture and for chemical synthesis in industrial processes. With this method, one or the total amount of Semicarbazide in real samples can be detected within 6-7 min. For this purpose, 4-PTSC was determined and can be used as a representative of the Semicarbazide family. The assay principle is based on the oxidation of 4-phenylthiosemicarbazid (as reducing agent) with Ferric ions in the presence of ferricyanide ion and triton X-100 as a stabilizer, as well as the formation of Prussian Blue NanoParticles (PBNPs). These nanoparticles exhibit a strong UV-Vis extinction band at 700 nm with high absorption coefficient (3.0× 104 M-1 cm-1 at 700 nm). A UV-Vis spectrophotometer is used to monitor changes in the absorption intensity of PBNPs. A change in the color of the solution can be easily observed by naked eyes, in the presence of sub-ppm levels of 4-PTSC, which is directly related to the 4-PTSC concentration. TEM images showed an average diameter of 30 nm. The effect of several reaction variables on the formation rate of PBNPs was studied. Beer's law was obeyed in the concentration range of 0.20-3.20 µg/mL. The detection limit was found to be 0.10 µg/mL. This method was successfully applied for the determination of 4-PTSC in different environmental samples. Interfering species with reducing properties are not commonly present in environmental samples. Hence, this optical assay is simple and has acceptable selectivity. |
|
| کلیدواژه‌های انگلیسی مقاله |
|
|
| نویسندگان مقاله |
امیر هاتمی |
department of pharmacology and toxicology, school of pharmacy and toxicology research center, jundishapur university of medical sciences, ahvaz, i.r. iran
بهروز زرگر |
department of chemistry, faculty of sciences, shahid chamran university, ahvaz, i.r. iran
سازمان اصلی تایید شده: دانشگاه شهید چمران (Shahid chamran university)
امیر جلالی |
department of pharmacology and toxicology, school of pharmacy and toxicology research center, jundishapur university of medical sciences, ahvaz, i.r. iran
حسام عامری |
department of pharmacology and toxicology, school of pharmacy and toxicology research center, jundishapur university of medical sciences, ahvaz, i.r. iran
|
|
| نشانی اینترنتی |
http://www.ijcce.ac.ir/article_25197_36e90b3a0360ab4bdef59b1abef2ad8a.pdf |
| فایل مقاله |
اشکال در دسترسی به فایل - ./files/site1/rds_journals/444/article-444-394145.pdf |
| کد مقاله (doi) |
|
| زبان مقاله منتشر شده |
en |
| موضوعات مقاله منتشر شده |
|
| نوع مقاله منتشر شده |
|
|
|
|
برگشت به:
صفحه اول پایگاه |
نسخه مرتبط |
نشریه مرتبط |
فهرست نشریات
|