Reverse flow injection spectrophotometric determination of iron(III) using norfloxacin

Hydralazine Hydrochloride: An Alternative Complexometric Reagent for Total Iron Spotometric Determination

“…Nowadays the determination of iron in some real samples cannot be considered an analytical challenge but the introduction of alternative complexing agents for this purpose it is very attractive. Some analytical procedures already employed commercial drugs to determine iron, for example: the antibiotics chlortetracycline and norfloxacin were used by Ruengsitagoon and Pojanagaroon respectively to quantify Fe 3+ in real samples [1,2]. Using the same strategy, this work comes demonstrate the use of hydralazine hydrochloride for total iron determination in real samples.…”

Deferiprone, a non-toxic reagent for determination of iron in samples via sequential injection analysis

“…Injection analysis along with norflocaxin [10] for the determinarion of Fe(III). Ruengsitagoon [11] used FIA with chlortetracycline to detect Fe(III).…”

Flow-Injection Spectrophotometric Analysis of Iron (II), Iron (III) and Total Iron

“…The spectrophotometric detector based on measuring the absorbance of colored complexes formed with various chromogenic reagents is one of the most frequently used detectors for the determination of iron in many kinds of samples (Yegorov et al, 1993;Yamamura and Sikes, 1966;Ampan et al, 2002;Bruno et al, 2002;Tesfaldet et al, 2004;Van Staden and Kluever, 1998;Mulaudzi et al, 2002;Pojanagaron et al, 2002;Araujo et al, 1997;Udnan et al, 2004;Alonso et al, 1989;M¨uller et al, 1990;Themelis et al, 2001;Kass and Ivaska, 2002;Weeks and Bruland, 2002). A large number of flow-injection spectrophotometric methods have been developed for the determination of iron using desferal (Yegorov et al, 1993), 1,10-phenantroline (Yamamura and Sikes, 1966;Ampan et al, 2002;Bruno et al, 2002;Tesfaldet et al, 2004), tiron (Van Staden and Kluever, 1998;Mulaudzi et al, 2002), ferrozine , norfloxaxin (Pojanagaron et al, 2002), thiocyanate (Araujo et al, 1997), DMF , and salicylate (Udnan et al, 2004) as chromogenic reagents. However, many of the proposed methods have a high limit of detection (Alonso et al, 1989;M¨uller et al, 1990), suffer from many interfering metal ions, such as Zn and Co (Guo and Baasner, 1993), have a short linear dynamic range (Themelis et al, 2001;Kass and Ivaska, 2002), tedious procedures (Pons et al, 2005b), or low sampling rates (Teixeira and Rocha, 2007;Lunvongsa et al, 2006a).…”

“…1,10-phenanthroline and salicylic acid are the most reported chelating agents applied for the determination of iron(III) and total iron after oxidation to iron(III) (Tesfaldet et al, 2004;Udnan et al, 2004). A number of other chelating agents that have been reported for the spectrophotometric and/or flow-injection spectrophotometric determination of iron(III) and total iron include 2-thiobarbituric acid (Morelli, 1983), norfloxacin (Pojanagaron et al, 2002) tiron (van Staden & Kluever, 2002) DMF , tetracycline and chlortetracycline (Wirat, 2008). Flow-injection spectrophotometric methods based on the above chelating agents are either not selective, or a masking agent has to be used.…”