Transcription of Titrimetric Analysis: Methods
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Titrimetric Analysis: Methods
Titrimetric Analysis: MethodsTitrimetric Methods of analysis are capable of rapid and convenient analyte determinations with highaccuracy and precision. Titrimetric analysis is based on the complete reaction between the analyte anda reagent, the titrant:aA + tT t productswhere A and T represent the analyte and titrant, respectively, and a and t are the stoichiometriccoefficients. Titrations are often classified by the nature of this titration reaction: acid-base, redox,precipitation and complexation reactions are the most common reaction volumetric titrations, the amount, nA, of analyte in the sample can be calculated usingnA=atCTVT where CT is the concentration of the titrant, and VT is the volume of titrant needed to reach theendpoint.
KJeldahl Analysis of Organic Nitrogen The Kjeldahl procedure is a method for the analysis of organic nitrogen in the –3 oxidation state. The sample is digested with sulfuric acid to convert the organic nitrogen to ammonium, NH 4 +. The digested sample is then basified and ammonia is then distilled into acid. The ammonia may be
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