Certipur® Reference Material for Reliable Calibration in pH Measurement

Item #: 109888

Buffer concentrate (borate/hydrochloric acid), traceable to SRM of NIST and PTB for

Item #: 109890

Buffer concentrate (boric acid/potassium chloride/sodium hydroxide), traceable to SRM

Item #: 109889

Buffer concentrate (boric acid/potassium chloride/sodium hydroxide), traceable to SRM

Item #: 109880

Buffer concentrate (boric acid/potassium chloride/sodium hydroxide), traceable to SRM

Item #: 109884

Buffer concentrate (citrate/hydrochloric acid), traceable to SRM of NIST and PTB for

Item #: 109883

Buffer concentrate (citrate/hydrochloric acid), traceable to SRM of NIST and PTB for

Item #: 109882

Buffer concentrate (citrate/hydrochloric acid), traceable to SRM of NIST and PTB for

Item #: 109886

Buffer concentrate (citrate/sodium hydroxide), traceable to SRM of NIST and PTB for

Item #: 109885

Buffer concentrate (citrate/sodium hydroxide), traceable to SRM of NIST and PTB for

Item #: 109881

Buffer concentrate (glycine/hydrochloric acid), traceable to SRM of NIST and PTB for

Item #: 109887

Buffer concentrate (phosphate), traceable to SRM of NIST and PTB for 500 ml buffer solution, pH

Item #: 109892

Buffer concentrate (phosphate/sodium hydroxide), traceable to SRM of NIST and PTB fo

Item #: 109893

Buffer concentrate (potassium chloride/sodium hydroxide), traceable to SRM of NIST an

Item #: 109879

Buffer concentrate for buffer solution acc. to WEISE for 1000 ml of solution (phosphate), pH 7.

Item #: 199003

Buffer solution (boric acid/potassium chloride/sodium hydroxide solution), traceable to

Item #: 199050

Buffer solution (boric acid/potassium chloride/sodium hydroxide) colour coded: blue, t

Item #: 109400

Buffer Solution (boric acid/potassium chloride/sodium hydroxide) colour coded: yellow,

Item #: 109408

Buffer solution (boric acid/potassium chloride/sodium hydroxide) traceable to SRM fro

Item #: 109409

Buffer solution (boric acid/potassium chloride/sodium hydroxide) traceable to SRM from

Item #: 109476

Buffer solution (boric acid/potassium chloride/sodium hydroxide), coloured: blue trace

Item #: 199004

Buffer solution (boric acid/potassium chloride/sodium hydroxide), traceable to SRM from NIST an

Item #: 199038

Buffer solution (boric acid/sodium hydroxide/hydrogen chloride), traceable to SRM from NIST and

Item #: 109446

Buffer solution (citric acid/sodium hydroxide) traceable to SRM from NIST and PTB pH 5.00 (25°C

Item #: 109442

Buffer solution (citric acid/sodium hydroxide/ hydrogen chloride), traceable to SRM f

Item #: 199054

Buffer solution (citric acid/sodium hydroxide/hydrogen chloride) colour: red, traceable to SRM

Item #: 109445

Buffer solution (citric acid/sodium hydroxide/hydrogen chloride) traceable to SRM fro

Item #: 109444

Buffer solution (citric acid/sodium hydroxide/hydrogen chloride), traceable to SRM from NIST an

Item #: 199057

Buffer solution (di-sodium hydrogen phosphate/ potassium dihydrogen phosphate), colour:

Item #: 109477

Buffer solution (di-sodium hydrogen phosphate/potassium dihydrogen phosphate), colour:

Item #: 199019

Buffer solution (di-sodium tetraborate) tracable to SRM from NIST and PTB pH 9.18