pH buffer solutions in ampoules standard pHvalue 4.01/6.87

pH buffer solutions in ampoules, standard
Standard solutions acc. to DIN 19266 for calibration in pH measurement. Buffer solutions in the double-end ampoules offer a particularly high degree of reliability and measuring accuracy.

-Hot steam sterilised, very long shelf life
-Without preservatives
-With manufacturer certificate
-20 ml ampoules with approx. 17 ml content

pHvalue 4.01 / 6.87
Package contents 2 x 30 ampoules