Green approaches to colorimetric monitoring of calcium in waterстатья
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Дата последнего поиска статьи во внешних источниках: 19 сентября 2017 г.
Аннотация:Simple, ecologically harmless chemical reactions have always been a point of interest
for chemists and analysts as fit to be applied to work in or out of laboratories. A new
concept of chemical analysis is exemplified in the article by means of selective determination
of calcium ions with the organic reagent arsenazo III (2,2'-[1,8-dihydroxy-3,6-disulfo -
naphthylene-2,7-bisazo]-bisbenzenearsonic acid disodium salt) with no application of toxic
solvents during the seasonal analysis of water in the Yauza River (the city of Moscow).
Keywords: analytical chemistry; calcium determination; immobilized organic reagents; optical
sensors; photogelatin film sorbent; rational nature management.