Browsing by Subject "aluminum -azo dye complex"
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Field Method for Estimation of Fuoride in Drinking Groundwater by Photometric Measurement of Spot on Impregnated Reagent Paper
(2015-04-21)Few years ago WHO decided to make mandatory the determination of fluorine and arsenic in drinking water. The reason is that in large parts of the world the population is exposed to these elements at toxic levels, more ...