ISO 2749:1973
Describes the measurement of a solution of a test sample by means of a pH meter fitted with one glass electrode and one calomel electrode. The pH meter has a sensitivity of 0.05 pH units. The calibration of the pH meter is carried out at (20 0.5) 0C by means of buffer solutions. The method has also been approved by the IUPAC.
OEN:
ISO
Langue:
English
Code(s) de l'ICS:
71.080.30
Statut:
Annulée
Date de Publication:
1973-10-31
Numéro Standard:
ISO 2749:1973