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Search term:"Natural Pigments"

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HPLC Analysis of Carotenes on Ascentis® Express RP-Amide, Methanol Mobile Phase

column Ascentis Express RP-Amide, 15 cm x 4.6 mm I.D., 2.7 µm particles (53931-U) column temp. 30 °C mobile phase methanol flow rate 1 mL/min pressure 1653 psi (114 bar) sample V8 Splash® fruit juice was extracted with hexane, the extract dissolved 1:1 into ethanol for HPLC injection injection 5 µL ...

HPLC Analysis of Carotenoids by Normal Phase Chromatography on Ascentis® Si

column Ascentis Si, 15 cm x 4.6 mm I.D., 5 µm particles (581512-U) column temp. 30 °C mobile phase [A] hexane; [B] ethyl acetate; [C] isopropanol; (85:10:5, A:B:C) flow rate 1.0 mL/min sample 50-100 µg/mL hexane injection 10 µL detector UV, 450 nm Analysis Note Ascentis silica is used in the analysi...

HPLC Analysis of Lutein on Ascentis® Express C18

sample preparation SPE (Solid Phase Extraction) column Ascentis Express C18, 5 cm x 2.1 mm I.D., 2.7 mum particles (53822-U) column temp. 30 °C mobile phase [A] Acetonitrile; [B] Water; (90:10, A:B) flow rate 1.0 mL/min pressure 2581 psi (178 bar) sample 0.10 mg/mL of Lutein in 50/50 MeOH/THF inject...

Application Notes for Photometry & Reflectometry

Our rapid tests offer numerous options for determining the concentration of individual parameters. Whether for water analysis, the measurement of specific food parameters or the control of production processes, our rapid tests are designed to ensure your success. Check out our broad range of applica...