Surface active agents — Determination of pH of aqueous solutions — Potentiometric method
NORMA vydána dne 1.8.1977
Označení normy: ISO 4316:1977
Datum vydání normy: 1.8.1977
Počet stran: 2
Přibližná hmotnost: 6 g (0.01 liber)
Země: Mezinárodní technická norma
Kategorie: Technické normy ISO
Description / Abstract: The determination is carried out in the following way: Potentiometric measurement of the potential difference between a glass electrode and a reference electrode dipping in an aqueous solution of the sample. This method is only applicable when so indicated in the specific standard for each product.