产品名称
apHera™ NH2 HPLC Guard Column, 5 μm particle size, L × I.D. 1 cm × 2 mm
material
stainless steel column
agency
suitable for USP L82
product line
apHera™
packaging
pkg of 1 ea
manufacturer/tradename
apHera™
parameter
147 bar pressure (2133 psi)
4-50 °C temperature
technique(s)
HPLC: suitable
LC/MS: suitable
L × I.D.
1 cm × 2 mm
matrix
polymeric
matrix active group
amino phase
particle size
5 μm
pore size
300 Å
operating pH
1-14
application(s)
food and beverages
separation technique
hydrophilic interaction (HILIC)
normal phase
Quality Level
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Khin Than Myint et al.
Analytical chemistry, 81(18), 7766-7772 (2009-08-26)
We have developed a practical method for the comprehensive analysis of polar anionic metabolites in biological samples with the use of a nano-LC/MS system. A polyamine-bonded polymer-based apHera NH2 column, which is compatible with ammonium carbonate buffer, effectively retained anionic
Marine de Person et al.
Journal of chromatography. A, 1081(2), 174-181 (2005-07-26)
A new procedure based on hydrophilic interaction chromatography coupled to tandem mass spectrometry (ionisation process by pneumatically assisted electrospray in negative ion mode), is developed and validated for the simultaneous determination of underivatised taurine and methionine in beverages rich in
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