| Item | Specifications | Results |
| Appearance | white crystalline powder | White crystalline powder |
| Purity (Titration) | ≥99.5% | 99.62% |
| PH(5% aqueous solution) | 10.0~11.5 | 11.10 |
| Loss on drying | ≤0.5% | 0.10% |
| Heavy metal Pb | ≤5ppm | conforms |
| Fe+ | ≤5ppm | conforms |
| Cl- | ≤10ppm | conforms |
| SO4²¯ | ≤10ppm | conforms |
Trihydroxymethyl aminomethane (TRIS) buffer solution is a biological reagent, which is commonly used in biological preparation and medical preparation.As is often used in Pepchemical bookrotech recombinant cytokines and proteolysis, TRIS buffer solution is also widely used as a solvent for nucleic acids, proteins, electrophoresis solvents, etc., the amount of large.