POPSO BUFFER (FOR BIOCHEMISTRY)
Specification
Appearance | White powder |
Assay | Min 97% |
Solubility (0.1 M in 1 M NaOH; 20°C) | Clear |
pK (at 20°C) | 7.85 |
Chloride (Cl) | Max 0.2% |
Copper (Cu) | Max 0.005% |
Sulphate (SO4) | Max 0.05% |
Iron (Fe) | Max 0.005% |
Calcium (Ca) | Max 0.005% |
Potassium (K) | Max 0.01% |
Cadmium (Cd) | Max 0.005% |
Sodium (Na) | Max 0.1% |
Cobalt (Co) | Max 0.005% |
Nickel (Ni) | Max 0.005% |
Lead (Pb) | Max 0.005% |
Zinc (Zn) | Max 0.005% |
Safety Information and Hazard Symbols

Symbol: GHS02 , GHS05 ,GHS07 ,GHS09
Signal Word: Warning