Flow-injection spectrophotometric determination of periodate and iodate by their reaction with pyrogallol red in acidic media

2002 ◽  
Vol 58 (13) ◽  
pp. 2835-2839 ◽  
Author(s):  
Ali A Ensafi ◽  
M.Arab Chamjangali
Keyword(s):  
Spectrophotometric Determination ◽  
Flow Injection ◽  
Acidic Media ◽  
Pyrogallol Red

scholarly journals Analytical Applications of Reactions of Iron(III) and Hexacyanoferrate(III) with 2,10-Disubstituted Phenothiazines

2009 ◽  
Vol 2009 ◽  
pp. 1-8 ◽  
Author(s):  
Helena Puzanowska-Tarasiewicz ◽  
Joanna Karpińska ◽  
Ludmiła Kuźmicka
Keyword(s):  
Ternary Compound ◽  
Spectrophotometric Determination ◽  
Flow Injection ◽  
Oxidation Reaction ◽  
Oxidation Products ◽  
Acidic Media ◽  
Complexometric Titration ◽  
Analytical Applications

The presented review is devoted to analytical applications of reactions of Fe(III) and with 2,10-disubstituted phenothiazines (PT). It was found that iron(III) and hexacyanoferrate(III) ions in acidic media easily oxidized PT with the formation of colored oxidation products. This property has been exploited for spectrophotometric determination of iron(III) ions and phenothiazines. Some flow-injection procedures of the determination of PT based on the oxidation reaction by means of the above-mentioned oxidants have been proposed. In the presented review, the application of 2,10-disubstituted phenothiazines as indicators in complexometric titration of iron(III) as well as procedures of PT determination based on generation of ternary compound in the system Fe(III)-- PT was also described.

Flow Injection Spectrophotometric Determination of Ferbam Based on a Photochemical Reaction

2003 ◽  
Vol 142 (4) ◽  
pp. 231-235 ◽  
Author(s):  
Tom�s P�rez-Ruiz ◽  
Carmen Mart�nez-Lozano ◽  
Virginia Tom�s ◽  
Antonio Sanz ◽  
Raquel Garre
Keyword(s):  
Spectrophotometric Determination ◽  
Flow Injection ◽  
Photochemical Reaction
Sign in / Sign up

Export Citation Format

Share Document