Buffer solutions

For testing ORP electrodes. 427mV, pH7.
Supplied in pack of 250ml....

Guarantee of accuracy

• Certificate including the actual value and expiry date
• Certified traceable to primary SRM from NIST/PTB
• Resistant to microbes
• Convenient 250 ml/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

Clear, colourless DIN value pH buffer solutions. Tested at 25 °C and certified by Reagecon"s ISO 17025 accredited test method. NIST traceable and presented in 500 ml bottles.

Other pack sizes available upon request....

Clear, Colourless pH Buffer Solutions. Tested and ISO17025 Certified at 20 °C, supplied with a detailed Certificate of Analysis which outlines traceability to N.I.S.T. Temperature dependence data is printed on the label as are lot numbers and expiry dates. Containers made of HDPE....

Electrolytes are used as refill solutions for liquid filled electrodes as well as a storage solution for all types of pH electrodes. With the pepsin cleaning solution, you can remove protein precipitation from the diaphragm of electrodes with liquid electrolyte....

For refilling or replacing reference electrolyte. Supplied in 250ml DURAN ^® bottles....

For pH-probes....

Coloured pH buffer solutions. Tested and ISO 17025 certified at 20 °C. Uncertainty of measurement ±0.01 pH. Supplied with a detailed Certificate of Analysis which outlines traceability to N.I.S.T. Temperature dependence data is printed on the label as are lot numbers and expiry dates....

To test redox (ORP) of electrodes. Supplied in bottles as indicated....

Colour coded. Tested and ISO 17025 Certified at 25 °C. Uncertainty of measurement ±0.02 pH. Temperature dependence data is printed on the label as are lot numbers and expiry dates. These pH buffer solutions are suitable for use where very accurate measurements are required and are supplied with a detailed Certificate of Analysis which outlines traceability to N.I.S.T (the N.I.S.T SRM(s) Lot No. is stated on the certificate). This item has a 12 to 36 month shelf life from date of manufacture depending on pH value....

...

• Reliable and precise
• Non-bleeding
• Easy and quick analysis
• Made in Europe

According to DIN 19 266. Values stated at 25°C. To be delivered in DURAN ^® glass bottles. Hot steam sterilized. Accuracy ±0.012pH. Comes with individual batch number and manufacturer certificate....

Supplied in box with three 250 ml bottles of pH 4.01, 6.87, 9.18 buffer solutions, pepsin cleaning solution and KCl filling solution 3 mol/l....

Cleaning, rinse, regeneration and storage solution. Designed to extend the useful life of pH electrodes....

For refilling or replacing reference electrolyte for electrodes, compatible with all brand of electrodes (liquid electrolyte). Supplied in an easy to use thin nozzle HDPE dropper bottle. Designed to extend the useful life of pH electrodes....

Bridge electrode for reference electrodes as well as combined ISE electrodes of the 800 series for adaptation to the sample composition....

For sample preparation with pre-made ion strength adjuster solutions (ISA and TISAB) for the direct concentration determination with ion selective electrodes....

Osmolality Standards for calibration and control, compatible with all types of osmometers. Extensive range: 50 to 3000 mOsmol/kg H ₂O, ISO 17025 certified. Values from 100 to 700 mOsmol/kg H ₂O according to European Pharmacopoeia 2.2.35 and US Pharmacopeia 785. 12 ampoules of 5 ml each....

Colour coded. pH values at 25°C. Provided with label that gives the pH value at different temperatures. Supplied in 250ml containers. Tolerance ± 0.02 pH....

For calibration of 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

Without colour coding, hot steam sterilized. Stated pH values at 25 °C. Available in 250 ml containers. Shelf life approx. 2 years, accuracy ±0.02 pH....

pH 7. In a HDPE bottle....

Ready-to-use. pH 4, 7 and 9. pH values at 25 °C. Tolerance ± 0.02 pH....

For accurate and reproducible calibration of pH meters and pH electrodes.

• Colour-coded
• NIST™-traceable standard reference materials
• Bottles of 475 ml