Tris Hcl Buffer 1m Ph7.5,500ml, Each

Details:

Tris is one of the most widely used buffers in molecular biology and cell culture due to its low toxicity, stability and buffering capacity. Purity: ≥99.9% Appearance: white, crystalline powder ph (1m): 10.5-11.5 Pka: 8.0-8.4 Absorbance (260nm): ≤0.06 Absorbance (280nm): ≤0.05 Absorbance (290nm): ≤0.2 Solubility (1m): colorless, clear, complete loss on drying: ≤0.2% Melting point: 168-172°c heavy metals (pb): ≤0.0001% Arsenic: ≤0.0001% Calcium: ≤0.0001% Copper: ≤0.0001% Iron: ≤0.0005% Magnesium: ≤0.0001% Insoluble matter: ≤0.005% Residue on ignition: ≤0.1% Rnase: dnase: protease: meets specifications.