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AZOTO AMMONIACALE

AZOTO AMMONIACALE. ESTRATTO. HgI 4 --. CAMPIONE. ESTRAZIONE. COMPLESSO COLORATO. in KCl. OH -. l = 420nm. LETTURA SPETTROFOTOMETRICA. NH 3 + 2K 2 HgI 4 + 3NaOH [OHg 2 NH 2 ] + I - + 4KI + 3NaI + 2H 2 O. Note:

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AZOTO AMMONIACALE

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  1. AZOTO AMMONIACALE ESTRATTO HgI4-- CAMPIONE ESTRAZIONE COMPLESSO COLORATO inKCl OH- l = 420nm LETTURASPETTROFOTOMETRICA NH3 + 2K2HgI4 + 3NaOH [OHg2NH2]+I- + 4KI + 3NaI + 2H2O Note: E’ necessario effettuare una lettura preliminare sull’estratto acquoso

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