Photo Gallery

Login

Search

News & Updation

  • Updated Version
  • WJPPS introducing updated version of OSTS (online submission and tracking system), which have dedicated control panel for both author and reviewer. Using this control panel author can submit manuscript
  • Call for Paper
    • WJPPS  Invited to submit your valuable manuscripts for Coming Issue.
  • Journal web site support Internet Explorer, Google Chrome, Mozilla Firefox, Opera, Saffari for easy download of article without any trouble.
  •  
  • WJPPS Impact Factor
  • Its our Pleasure to Inform you that WJPPS Impact Factor has been increased from  7.454 to 7.632  due to high quality Publication at International Level

  • ICV
  • WJPPS Rank with Index Copernicus Value 84.65 due to high reputation at International Level

  • WJPPS: SEPTEMBER ISSUE PUBLISHED
  • SEPTEMBER 2021 Issue has been successfully launched on 1 September 2021.

Abstract

NEW ANALYTICAL METHOD OF ASCORBIC ACID BY ITS REACTION WITH FREE RADICALS GENERATED FROM ZERO VALENT IRON IN AQUEOUS SOLTIONS

Jamil Rima*

ABSTRACT

Free radicals generated by ZVI (zero valent iron) was used for the determination of ascorbic acid in natural media. This method is based on the oxidation reaction between ascorbic acid and zero-valent iron powder and followed by the 2-thiobarbituric acid test. The by-products obtained from its reaction with ZVI and TBA give a visible absorption spectrum specific for ascorbic acid which shows two maximums at 450 nm and 535 nm. Ascorbic acid determined in fruit juice in order apply the method in natural media. The comparison of ascorbic acid concentrations determined by the new method and by the standard method and the labeled values in fruit juices and food supplements shows the acceptability of the new method . The values obtained by the new and the standard methods are to close .The linear dynamic range (mM) is between 0.05 and 2. Limit of detection (mM) is 0.01 and the Relative Standard d Deviation is 2%

Keywords: Ascorbic acid; spectrophotometer; Quantification; Internal standard addition method; reaction of free radicals with AA. iron powder


[Full Text Article]

Call for Paper

World Journal of Pharmacy and Pharmaceutical Sciences (WJPPS)
Read More

Online Submission

World Journal of Pharmacy and Pharmaceutical Sciences (WJPPS)
Read More

Email & SMS Alert

World Journal of Pharmacy and Pharmaceutical Sciences (WJPPS)
Read More