Getest volgens artsenijboek | Ph. Eur. |
Our amino acids are of the highest purity and suitable for a broad range of applications in biochemistry. Besides the natural occurring L-amino acids, we offer a selection of unnatural D-amino acids and DL-amino acids.
Appearance | white to off-white cryst. powder |
Assay (dry substance) | 99.0-101.0 % |
Identity | complies |
Specific rotation [α]20D | -29.0° to -27.6° |
Appearance of solution | clear, colourless |
pH-value | 5.0-6.5 |
Chloride (Cl) | ≤0.02 % |
Sulphate (SO4) | ≤0.03 % |
Iron (Fe) | ≤0.001 % |
Foreign amino acids | complies |
Ammonium (NH4) | ≤0.02 % |
Loss on drying | ≤0.5 % |
Sulphated ash | ≤0.1 % |