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Kimia Analitik Adam Wiryawan.pdf

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Skala Polaritas Jenis-jenis Senyawa<br />

(didasarkan pada kenaikan retensi)<br />

Fluorocarbon<br />

Hidrokarbon jenuh (saturated hydrocarbon)<br />

Olefins<br />

Aromatik<br />

Senyawa halogen<br />

Eter<br />

Senyawa nitro<br />

Ester = keton = aldehid<br />

Alkohol = amina<br />

Amida<br />

Asam karbosilat (Carboxylic Acids)<br />

Keseimbangan<br />

Am + nEads<br />

ads<br />

[ ][ ]<br />

[ ][ ] n<br />

n<br />

Aads<br />

E m<br />

A E<br />

m<br />

ads<br />

Aads + nE m A = analit<br />

169<br />

E = eluan<br />

k = m = fase gerak<br />

ads = adsorbed<br />

169

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