Sodium citrate tribasic dihydrate
Synonyms: Citric acid trisodium salt dihydrate or Trisodium citrate dihydrateC6H5Na3O7 • 2H2OHOC(COONa)(CH2COONa)2 • 2H2OMr 294.10CAS Number [6132-04-3]EC Number 200-675-3Merck 14,8602Beilstein Registry Number 6104939MDL Number MFCD00150031Purity ≥ 99.0%
Useful pH range of a Sodium citrate tribasic dihydrate buffer: 2.2 - 6.5
Titrate HR2-571 to the desired pH using HClHR2-571 Measured pH Range: 8.1 - 8.6 at 25°CHR2-571 Measured Conductivity Range: 60.0 - 69.8 mS/cm at 25°CHR2-571 Measured Refractive Index Range: 1.37345 - 1.37370 at 20°C
HR2-735 is titrated to pH 5.6 using HClHR2-735 Measured Conductivity Range: 67.4 - 78.5 mS/cm at 25°CHR2-735 Measured Refractive Index Range: 1.37400 - 1.37502 at 20°C
Al ≤0.0005%As ≤0.00001%Ba ≤0.0005%Bi ≤0.0005%Ca ≤0.005%Cd ≤0.0005%Cl ≤0.001%Co ≤0.0005%Cr ≤0.0005%Cu ≤0.0005%Fe ≤0.0005%K ≤0.01%Li ≤0.0005%Mg ≤0.0005%Mn ≤0.0005%Mo ≤0.0005%NH4+ ≤0.001%Ni ≤0.0005%Pb ≤0.0005%SO4 ≤0.005%Zn ≤0.0005%
