Mendonça, AntónioFerra, Maria I.2022-08-252022-08-251997Mendonça, A. and Ferra, M., 1997. Application of the Pitzer theory to the evaluation of pH of the phthalate standard solution. Portugalie Electrochimica Acta, 15, pp.245-249.http://hdl.handle.net/10400.6/12321The pH value of the potassium hydrogen phthalate 0.05 mol.kg-1 has been detemined, using the Bates-Guggenheim convention and lhe Pitzer model for the calculation of the chloride íon activity coefficient. A comparison has been made between lhe two approaches.engpHPhthalate bufferBates-GuggenheimPitzer's equationsjournal article