-Certificate including the actual value and expiry date -Certified traceable to primary SRM from NIST/PTB -Resistant to microbes -Convenient 250ml/500 ml plastic bottle with built-in calibration compartment -Economical, since less buffer is used per calibration -certified pH value of one for the pH measurement accredited DKD laboratory
Product Specification: Product Description: Duracal pH Buffer pH value: 12.00 Accuracy: ± 0.05 Capacity: 1 x 500 ml Certificate: HAMILTON