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Journal
2009 | 7 | 3 | 382-387
Article title

Ultrasound assisted pseudo-digestion for determination of iron and manganese in citric acid fermentation mediums by electrothermal atomic absorption spectroscopy

Content
Title variants
Languages of publication
EN
Abstracts
EN
A sensitive, simple and rapid method for ultra-trace determination of iron and manganese based on ultrasound assisted pseudodigestion in citric acid fermentation medium samples (beet and cane molasses and raw sugar based mediums) is described. Parameters influencing pseudo-digestion, such as sonication time, sample mass and solvent system were fully optimized. Final solutions obtained upon sonication were analyzed by electrothermal atomic absorption spectrometry (ETAAS). The best conditions for metal pseudo-digestion were as follows: a 25, 30 and 20 min sonication time for beet molasses, cane molasses and raw sugar based medium samples, respectively, 0.7 g sample mass of raw sugar based samples, 0.5 g sample mass of molasses based samples and an extraction mixture of concentrated HNO3-H2O2, in 25 mL of solvent. Analytical results obtained for the two metals by ultrasound assisted pseudo-digestion and conventional wet digestion methods showed a good agreement. This method reduces the time required for all treatments (heating to dryness, cooling and separation) in comparison with conventional wet digestion method. The accuracy of the method was tested by comparing the obtained results with that of conventional wet digestion method. [...]
Publisher

Journal
Year
Volume
7
Issue
3
Pages
382-387
Physical description
Dates
published
1 - 9 - 2009
online
21 - 6 - 2009
Contributors
  • Research and Development Center, Kimia Gharb Gostar Industrial Company, 17136-94881, Kermanshah, Iran, apourhossein@ymail.com
author
author
  • Research and Development Center, Kimia Gharb Gostar Industrial Company, 17136-94881, Kermanshah, Iran
  • Research and Development Center, Kimia Gharb Gostar Industrial Company, 17136-94881, Kermanshah, Iran
author
  • Research and Development Center, Kimia Gharb Gostar Industrial Company, 17136-94881, Kermanshah, Iran
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Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.-psjd-doi-10_2478_s11532-009-0020-4
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