Buffer component, may be used for the removal of peripheral membrane proteins.

Assay (acidimetric; calculated on dried substance): ≥ 99.9 %

Chloride (Cl): ≤ 0.002 %

Phosphate (PO₄): ≤ 0.001 %

Silicate (as SiO₂): ≤ 0.002 %

Total sulfur (as SO₄): ≤ 0.005 %

Total nitrogen (N): ≤ 0.001 %

Heavy metals (as Pb): ≤ 0.0005 %

Al (Aluminium): ≤ 0.001 %

Ca (Calcium): ≤ 0.005 %

Fe (Iron): ≤ 0.0005 %

K (Potassium): ≤ 0.01 %

Mg (Magnesium): ≤ 0.0005 %

Loss on drying (300 °C): ≤ 1.0 %

Corresponds to ISO