DIN 19268:2007 pH-measurement - pH-measurement of aqueous solutions with pH measuring chains with pH glass electrodes and evaluation of measurement uncertainty
DIN 19266 pH measurement - Reference buffer solutions for the calibration of pH measuring equipment*, 2015-05-01 Update
DIN V ENV 13005 Guide to the expression of uncertainty in measurement; German version ENV 13005:1999
DIN 19268:2007 history
2021DIN 19268:2021 pH-measurement - pH-measurement of aqueous solutions with pH measuring chains with pH glass electrodes and evaluation of measurement uncertainty
2007DIN 19268:2007 pH-measurement - pH-measurement of aqueous solutions with pH measuring chains with pH glass electrodes and evaluation of measurement uncertainty
0000 DIN 19268:2006
1985DIN 19268:1985 Measurement of pH value of clear aqueous solutions