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33<br />

d)<br />

e)<br />

Rys. 3. Chromatogramy, otrzymane z zastosowaniem detektora UV-VIS DAD, roztworu wzorca kwercetyny<br />

w acetonitrylu, o stężeniu 1,8 mg / ml ACN. Dozowano 20 µl roztworu wzorca. Kolumna: LiChrospher RP18e,<br />

250 x 4 mm, 5 µm; Eluent: acetonitryl : woda (3:7 v/v) z dodatkiem kwasu: a) CH 3COOH,<br />

b) TFA, c) HCl, d) H3PO4, e) H2SO4; pH =3; przepływ 1 ml/min, długość fali 365 nm.<br />

Fig. 3 Chromatograms (DAD, λ = 365 nm) obtained for the standard solution of quercetin in acetonitrile (C = 1,8 mg/ml<br />

ACN). Sample injection volume: 20 μl. Column: LiChrospher RP18e, 250 x 4 mm, 5 μm. Eluent: acetonitrile:water<br />

(3:7 v/v) with addition of: a) CH3COOH, b) TFA, c) HCl, d) H3PO4, e) H2SO4; pH = 3; flow rate: 1 ml/min.<br />

a)<br />

Vol. 7, No 1/2015<br />

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