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Figure 2 | Chemistry Central Journal

Figure 2

From: Simultaneous determination of seven hydrophilic bioactive compounds in water extract of Polygonum multiflorumusing pressurized liquid extraction and short-end injection micellar electrokinetic chromatography

Figure 2

Electrophoretograms of investigated compounds without additive (A), or with addition of 2% PEG (B), 0.5% HPMC-E5 (C) and 2% HP-β-CD (D). MEKC Condition: Pressure injection at 25 mbar for 3 s. Running buffer containing 90 mM SDS and 50 mM phosphate (pH=2.5); voltage, 15 kV; temperature, 20°C; UV detection at 210 nm. 1–7 and IS were the same as in Figure 1.

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BMC Chemistry

ISSN: 2661-801X

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