Asahipak NH2P-50 2D, a polymer-based amino column was used for melamine LC/MS analysis. LC/MS provides high selectivity and high sensitive measurement.
Sample preparation
Sample: 1 µL
Added 20 µg/L of melamine to the test samples
(Left) Milk
(Center) Powder milk
(Right) Dairy product
- Column
- ：Shodex Asahipak NH2P-50 2D (2.0 mm I.D. x 150 mm)
- Eluent
- ：(A); 5 mM Ammonium formate (pH3 adjusted by formic acid)
(B); CH3CN
Gradient program; 90 % B (0 - 10 min) - 20 % B (10.01 - 20 min) - 90 % B (20.01 - 35 min) - Flow rate
- ：0.2 mL/min
- Detector
- ：ESI-MS (Positive m/z=127.1)
- Column temp.
- ：40 ℃
Data provided by Shimadzu Corporation.
For more detailed information, please read here
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Sample Name Index
Operation Manual / Certificate of Analysis
Operation Manuals and Certificate of Analysis / Inspection Certificate for the following products can be downloaded here.
Product Name Index
Applications
- Analysis of Haloacetic Acids (JJ-50 2D)
- LC/MS Analysis of Haloacetic Acids (JJ-50 2D)
- Analysis of Melamine (1) (NH2P-50 4E)
- LC/MS Analysis of Melamine and Cyanuric Acid (NH2P-40 2D)
- Melamine and Related Substances (VG-50 4D)
- Effects of Eluent Composition Ratios on PFOS and PFOA Analysis (JJ-50 2D)
- Analysis of PFAS (VT-50 2D)
- Analysis of PFAS Referencing to Japanese Industrial Standards (JIS) (JJ-50 2D)
- Comparisons of Two Separation Modes on PFAS LC/MS Analysis (C18U 2D, VT-50 2D)
- LC/MS Analysis of Organic Arsenic Compound (SI-35 2B)