Objectives. To develop a method for the determination of hypochlorite, chloride, chlorite, chlorate, and perchlorate ions in solution; to determine limits detection quantitation ClO−, Cl−, ClO 2 −, 3 4 − ions; evaluate applicability developed its suitability disinfectant analysis. Methods. Ionic chromatography using conductometric system isocratic elution mode. Results. The chromatographic chlo...

Chlorine-containing disinfectants have been widely used all over the world to prevent COVID-19. However, little is known about potential risk of chlorine-containing in marine environment. Phaeodactylum tricornutum (P. tricornutum) a typical economic diatom, often as an effective biomarker ecotoxicology research. Here, present study has investigated effect different chlorine concentrations on ph...

It was found that orthotolidine and plastic test strips containing a mixture of syringaldazine and vanillinazine gave different results as to chlorine content of water samples containing urine or large amounts of bacteria while giving consistently similar results with water samples having only sodium hypochlorite added. Orthotolidine was found to give erroneously "safe" readings when in fact vi...

Medium pressure UV is used for controlling the concentration of combined chlorine (chloramines) in many public swimming pools. Little is known about the fate of other disinfection by-products (DBPs) in UV treatment. Photolysis by medium pressure UV treatment was investigated for 12 DBPs reported to be found in swimming pool water: chloroform, bromodichloromethane, dibromochloromethane, bromofor...

A convenient, one-pot method for the synthesis of diazonium salt has been developed by the sequential diazotization of aromatic amines with NaNO2, polymer- supported periodic acid (PPIA) and 2-naphthole under solvent-free conditions at room temperature. By using this method, several types of aromatic amine, containing electron-withdrawing and electron-donating groups, were rapidly converted to ...