The diphenyl-thiocarbazone extraction and spectrophotometry were developed for indirect determination of residual chlorine in water distribution system.
In order to get polyaryloxyphosphazene, polyphosphazene's side chlorines are directly substituted by aryloxy of phenol using triethylamine as the bind acid agent.
Using 2-acetyl benzimidazole and sodium bromide as raw material,2-(dibromine acetyl)-benzimidazole hydrobromate was synthesized with the new bromine that displaced by chlorine gas in light.
Analysis on leakage reasons of chlorine liquefier were anlysed from manufacture, test and application. The liquefier was failure, and the protective measures were put forward.
The process of decoppering through insoluble anode electrolysis in the solution produced by leaching high grade matte nickel using chlorine is intro-duced in this paper.
This system is one kind of simple water treatment line which is used to wipe off the macroaggregate,seston,peculiar smell,residual chlorine and bacteria of the raw water.
The Brief Analysis of Marketing : The chloroethylene is the main material for the production of koroseal and its market supply and demand change along with the development of chlorine.
For example, bleaching powder, bearing the chemical name calcium hypochlorite, contains chlorine, whereas peroxidase-based bleach doesn't contain chlorine.