Applications:
Amino Acids Analysis in Acid Gradient Condition
11 underivatized amino acids (aspartic acid, glutamic acid, alanine, valine, methionine, isoleucine, cysteine, phenylalanine, histidine, lysine, and arginine) are separated by a Primesep 100 HPLC column by reversed-phase and ion-exchange mechanisms with LC/MS compatible conditions without the use of ion-pair reagents. The HPLC separation uses a TFA (trifluoroacetic acid) gradient in a mobile phase of water acetonitrile (MeCN, ACN with evaporative light scattering detection (ELSD).
Application Analytes:
Alanine
Amino Acids
Arginine
Aspartic Acid
Cysteine
Glutamic Acid
Histidine
Isoleucine
Lysine
Methionine
Phenylalanine
Valine
Hydrophobic and Hydrophilic Compound Separation
Primesep 100 separates a mixture of polar and nonpolar compounds in one analytical run. The amino acid cysteine; amino acid derivatives L-cystine, 2,2-dimethylcystine, and 2-methylcysteine; the polar acid benzoic acid; and the nonpolar neutral toluene are separated by a gradient using a combination of polar and hydrophobic interactions. The separation method uses a mobile phase mixture of water, acetonitrile (MeCN, ACN) and sulfuric acid (H2SO4) with UV detection at 210 nm.
Application Analytes:
2,2-Dimethylcysteine
2-Methylcysteine
Amino Acids
Benzoic Acid
Cysteine
L-Cystine
Toluene
HPLC Separation of Mixture of Conditionally Essential Amino Acids on Primesep 100 Column
| Column | Primesep 100, 4.6x250 mm, 5 µm, 100A |
| Mobile Phase | MeCN/H2O - 35/75% |
| Buffer | H2SO4 0.05% 12 min hold, gradient 0.05-0.20, 13 min |
| Flow Rate | 1.0 ml/min |
| Detection | UV, 200 nm |
| Class of Compounds | Drug, Acid, Hydrophilic, Ionizable, Vitamin, Supplements, Amino acid |
| Analyzing Compounds | Amino acids |
Application Analytes:
Amino Acids
Arginine
Cysteine
Glycine
L-Cysteine
L-Glutamine
Proline
Tyrosine
HPLC Separation of Mixture of 12 Amino Acids on Primesep 100 Column
| Column | Primesep 100, 4.6x250 mm, 5 µm, 100A |
| Mobile Phase | MeCN/H2O - 35/65% |
| Buffer | H2SO4 0.05% 12 min hold, gradient 0.05-0.20, 13 min |
| Flow Rate | 1.0 ml/min |
| Detection | UV, 200 nm |
| Class of Compounds | Drug, Acid, Hydrophilic, Ionizable, Vitamin, Supplements, Amino acid |
| Analyzing Compounds | Amino acids |
Application Analytes:
Amino Acids
Arginine
Asparagine
Cysteine
D-Isoleucine
D-Leucine
D-Valine
DL-Isoleucine
Histidine
Isoleucine
L-Cysteine
L-Methionine
Leucine
Methionine
Phenylalanine
Proline
Tryptophan
Valine