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Melamine (2) (NH2P-50 2D)

Polymer-amino
Column, Asahipak NH2P-50 2D was used for melamine LC/MS analysis. LC/MS provides high selectivity and high sensitive measurement.


Sample : 1μL
Melamine
Left - milk, Center - Powder milk, Right - Dairy product (20 ug/L melamine was added to the test sample).

Column  : Shodex Asahipak NH2P-50 2D (2.0mmI.D. x 150mm)

Eluent : (A) 5mM Ammonium formate(pH3 adjusted by formic acid) (B) CH3CN Gradient program; 90% B(0-10min)-20% B(10.01-20min)-90% B(20.01-35min)

Flow rate : 0.2mL/min

Detector : ESI-MS(Positive m/z=127.1)

Column temp. : 40°C
LC/MS data courtesy of the Shimadzu Corporation