"Reference Standard Buffers"

Supplier: BDH US PRODUCED

Buffers are available as colourless and coloured solutions.

Supplier: VWR Chemicals

Buffer solutions, secondary standards, pH value: 7.000, ±0,010, Reference temperature: 25 °C, VWR®

Supplier: VWR Chemicals

Buffer Standard solution, Biotechnology Grade, pH value: 4,00, ±0,03, Reference temperature: 25 °C, VWR®, Bottle

Supplier: VWR Chemicals

The measurement of the pH value is one of the most frequently and universally made measurements in science.

What is often not fully understood is the fact that a large number of problems related to pH measurement is the
correct selection, care or maintenance of the electrodes with particular emphasis on the reference electrode.

Supplier: MACRON AVANTOR BRAND

BuffAR® StandARd® pH reference solution, pH value: 4,01, ±0,01, Macron Fine Chemicals™ BuffAR®, Red, Plastic bottle

Supplier: VWR Chemicals

pH Buffer solution, Carbonate, pH value: 10,01, Reference temperature: 25 °C, VWR®, Colourless

Supplier: Avantor

The quality of many BAKER ANALYZED™ reagents meets or exceeds the requirements set forth by the American Chemical Society (ACS).

Supplier: Avantor

Ready-to-use pH buffers are manufactured in large lots to stringent specifications and utilise quality control procedures to reduce lot-to-lot variability. You can eliminate the time and expense of preparation and standardisation of solutions, helping streamline high-volume analytical work in applications such as quality control.

Supplier: VWR Chemicals

Solutions prepared from AnalaR® NORMAPUR® grade analytical reagents.

Supplier: Avantor

Specially developed for dissolution testing of pharmaceutical dosage forms and drug discovery, easy to use DILUT-IT™ concentrates can reduce overall cost of ownership in the laboratory. Just add purified water and you are ready for testing.

Supplier: VWR Chemicals

peqGOLD pre-stained protein marker IV is a mixture of 10 recombinant, highly purified coloured proteins supplied 'ready to use' in loading buffer. The protein concentrations are optimised to yield well-defined bands directly visible in SDS-polyacrylamide gels.