BUFFER SOLUTION , TRACEABLE TO SRM FROM NIST

Materials for the precise calibration and monitoring of pH meters. Traceable to NIST primary standard and PTB - deviation max. ±0,01 (except pH 10 with ±0,02) Larger 4 and 10 litre pack sizes in easy to use Titripac® packaging which eliminates contamination issues Reference temperature: +20 °C except 1.99022.4000 which is +25 °C Measured in an independent accredited calibration laboratory for the pH value measurement (DKD-K-14301). Packaging: Plastic bottles (1 L) or PE/aluminium Titripac® pack (4 and 10 L).