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Corso di Analisi Chimico-Farmaceutica e Tossicologica I (M-Z) - CTF

Corso di Analisi Chimico-Farmaceutica e Tossicologica I (M-Z) - CTF

Corso di Analisi Chimico-Farmaceutica e Tossicologica I (M-Z) - CTF

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Precipitazione e Aci<strong>di</strong>tà<br />

pH <strong>di</strong> precipitazione degli idrossi<strong>di</strong><br />

[OH – ] 3 = (1·10 -35 )/(1·10 -5 ) = 1·10 -30<br />

pOH = 10 e pH = 4<br />

• Quin<strong>di</strong>, la precipitazione dell’idrossido <strong>di</strong> ferro(III) avviene tra<br />

pH=3epH=4.<br />

[OH – ] = 1 · 10-30 = 1·10-10 3<br />

Dott. Giuseppe La Regina, <strong>Corso</strong> <strong>di</strong> <strong>Analisi</strong> <strong>Chimico</strong>-<strong>Farmaceutica</strong> e <strong>Tossicologica</strong> I (M-Z)

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