The Use of ATR-FTIR Spectroscopy for Quantification of Adsorbed Compounds

Figure 1

(a) FTIR spectrum of KWK raw clay (full line) and clay with 0.1 (dashed line), 0.25 (dotted line), and 0.75 (dashed dotted) mmole berberine per g KWK clay; (b) gravimetric water content of berberine-KWK organoclays and its relation to the ratio of IR absorption of adsorbed water () to structural OH ().

(a)

(b)