LCMS:Coptidis Rhizoma

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==TIC==
 
==TIC==
[[Image:Coptidis LC-MS.jpg
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[[Image:Coptidis LC-MS.jpg|thumb|700px|center|LC-MS TIC of extracts]]
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==Analytical conditions==
 
==Analytical conditions==

Revision as of 14:35, 2 February 2011

Contents

TIC

LC-MS TIC of extracts

Analytical conditions

Instrument Shimadzu LC-IT-TOF MS ESI (Positive ion mode)
Column Waters Atlantis T3 (2.1 mm x 100 mm, 3 micron)
Column Temperature 40℃
Solvent A 5 mM Ammonium acetate solution
Solvent B acetonitrile
Gradient 10% to 100% Solvent B (0-30 min), 100% Solvent B (30-40 min)
Source voltage 4.5 kV
Capillary temperature 200 °C
Nebulizer gas 1.5 l/min
Instrument Shimadzu LC-IT-TOF MS ESI (Negative ion mode)
Column Waters Atlantis T3 (2.1 mm x 150 mm)
Column Temperature 40℃
Solvent A 5 mM Ammonium acetate solution
Solvent B acetonitrile
Gradient 10% to 100% Solvent B (0-30 min), 100% Solvent B (30-40 min)
Source voltage – 3.5 kV
Capillary temperature 200 °C
Nebulizer gas 1.5 l/min



LC-MS raw data

Coptidis Rhizoma LC-MS

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