SOLUÇÃO DE TIOSULFATO DE SODIO 0,1N TITRISOL® MERCK (01 AMPOLA)

Concentration after dilution to 1l: c(Na2S2O3 . 5 H2O) = 0.1 mol/l Amount-of-substance concentration c(Na2S2O3)=0.1000 mol/l +/- 0.2 % Titer 20 °C 1.000 This volumetric solution was checked by means of Potassium iodate Merck volumetric standard. Merck volumetric standards are directly traceable to the Standard Reference Materials of NIST (National Institute of Standards and Technology, USA).