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Improvement in the flow injection spectrophotometric determination of zinc with zincon through elevated temperatures
Novel resins for the selective extraction of gold from copper rich ores
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1-hexanol amine ammonia/cyanide Anal analysis analytical anion exchange anion exchange resin aromatic asym biosensor borate buffer Calc carbon catalytic CDCI CDCI3 Chem chemical Chemistry closed-vessel digestion Composite reagent compounds concentration copper copper(I cyanide complex cyclohexanone D.M. Muir de-masking determination of zinc effect eluted extraction Figure filtered fish sample fish tissue flow injection flow injection analysis flow rate FT-IR gel based gold loading gold selective resins hexanal hexanol lactam leach leachate linear matrix meq g mg/L microbial biosensor microwave digestion microwave oven MINIX Mintek mmol mol equiv nitric acid nitrogen nonionic nonionic surfactants NOTREN resin obtained open beaker digestion oxygen print FILE1 protons pyridine reaction reflux ruthenium scripts sediment samples solution South Africa spectra stoichiometric student substituents surfactants Table temperature tion trace metal TREN TREN-SCHIFF values vessels W.P. Griffith zinc zinc ion zincon