DIN 19260:2012 pH measurement - General terms and definitions
DIN 19261:2005 pH measurement - Measuring methods with potentiometric cells - Terms and definitions
DIN 19268:2007 pH-measurement - pH-measurement of aqueous solutions with pH measuring chains with pH glass electrodes and evaluation of measurement uncertainty
ISO 4793:1980 Laboratory sintered (fritted) filters; Porosity grading, classification and designation
DIN 19266:2015 history
2015DIN 19266:2015-05 pH measurement - Reference buffer solutions for the calibration of pH measuring equipment
2015DIN 19266:2015 pH measurement - Reference buffer solutions for the calibration of pH measuring equipment
2000DIN 19266:2000 pH measurement - Referenz buffer solutions for the calibration of pH measuring equipment