1D-NMR was performed using a JNM-ECA 500MHz NMR instrument (JEOL Ltd., Tokyo, Japan). LC/ESI-MS was conducted using an Agilent 1200 series system and an Agilent 6120 quadrupole MS system (Agilent Technologies Co., Santa Clara, CA, USA). Thin-layer chromatography was performed using Kieselgel 60 F254 plates (Merck, Darmstadt, Germany), with visualization performed under UV light (254 and 365 nm) and 10% (v/v) sulfuric acid spray followed by heating (200 °C, 2 min). YMC Gel ODS-A (12 nm, S-150 μM; YMC Co., Kyoto, Japan) and Sephadex LH-20 columns (Pharmacia Co., Uppsala, Sweden) were used for column chromatography (CC). Kaempferol (≥97.0%, HPLC) was purchased from Sigma-Aldrich (St. Louis, MO, USA). All other chemicals and solvents used in this study were of analytical grade.
Agilent 6120 quadrupole ms system
Manufactured by Agilent Technologies
Sourced in United States
The Agilent 6120 quadrupole MS system is a mass spectrometry instrument designed for analytical applications. It utilizes a quadrupole mass analyzer to separate and detect ions based on their mass-to-charge ratio. The system is capable of performing various mass spectrometric techniques, such as full-scan and selected ion monitoring, to provide qualitative and quantitative analysis of samples.
Automatically generated - may contain errors
Lab products found in correlation
Jnm eca 500 mhz nmr instrument, by JEOL (2 mentions)
Agilent 1200 series system, by Agilent Technologies (2 mentions)
Gel ods a, by YMC (1 mentions)
Kieselgel 60 f254 plate, by Merck Group (1 mentions)
Kaempferol, by Merck Group (1 mentions)
Spd 10a uv vis detector, by Shimadzu (1 mentions)
Lc 8a pump, by Shimadzu (1 mentions)
Triart c18 column, by YMC (1 mentions)
Nmr spectrometer vns 600, by Agilent Technologies (1 mentions)
2 protocols using agilent 6120 quadrupole ms system
1
Analytical Techniques for Natural Product Characterization
2
Comprehensive Analytical Characterization of Compounds
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CPC was
performed using the
Gilson CPC 250 system (Gilson Inc., Middleton, WI, USA) equipped with
a 250 mL rotor, a 10 mL sample loop, a Shimadzu LC-8A pump (Shimadzu,
Kyoto, Japan), and a Shimadzu SPD-10A UV/vis detector. Analytical
HPLC–DAD–ESIMS was carried out on an Agilent 1200 series
system and an Agilent 6120 quadrupole MS system (Agilent Technologies
Co., Santa Clara, CA, USA) equipped with a YMC-Triart C18 column (5
μm, 250 mm × 4.6 mm; YMC Co.) and ChemStation software.
The NMR experiments were performed with a JNM-ECA 500 MHz NMR instrument
(JEOL Ltd., Tokyo, Japan, tetramethylsilane as an internal standard)
and a 600 MHz Varian NMR spectrometer (VNS-600, Palo Alto, CA, USA).
All other chemicals and solvents used in this study were of analytical
grade.
performed using the
Gilson CPC 250 system (Gilson Inc., Middleton, WI, USA) equipped with
a 250 mL rotor, a 10 mL sample loop, a Shimadzu LC-8A pump (Shimadzu,
Kyoto, Japan), and a Shimadzu SPD-10A UV/vis detector. Analytical
HPLC–DAD–ESIMS was carried out on an Agilent 1200 series
system and an Agilent 6120 quadrupole MS system (Agilent Technologies
Co., Santa Clara, CA, USA) equipped with a YMC-Triart C18 column (5
μm, 250 mm × 4.6 mm; YMC Co.) and ChemStation software.
The NMR experiments were performed with a JNM-ECA 500 MHz NMR instrument
(JEOL Ltd., Tokyo, Japan, tetramethylsilane as an internal standard)
and a 600 MHz Varian NMR spectrometer (VNS-600, Palo Alto, CA, USA).
All other chemicals and solvents used in this study were of analytical
grade.
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