pH Reference Buffers
Standard Buffer Solutions, WTW™
As a standard buffering solution, this buffer pH 9.180 (PL 7) is available in a 250 ml bottle.
Standard Buffer Solution pH 4.01, WTW™
With a high accuracy: ±0.02 pH, this standard buffering solution is traceably certified to PTB/NIST and therefore safe for use.
Technical pH Buffer Solutions, METTLER TOLEDO™
Provides a reliable all-around pH buffer. Mettler Toledo™ Technical pH Buffer Solution are specified to two decimal places and are traceable to NIST standards. Color-coded solution comes in a handy 250mL plastic bottle with no-fuss labels.
Thermo Scientific™ Orion™ pH Buffer Bottles
Perform accurate, reproducible pH calibrations with these color-coded buffer bottles.
Buffer solutions, BAKER ANALYZED™, J.T. Baker™
Type: pH Calibration Buffers Certificate of Analysis: Traceable to NIST Standard reference buffer
Buffer Solution pH 7.0 (20°C), Potassium Dihydrogen Phosphate / Disodium Hydrogen Phosphate, Traceable to SRM from NIST, with Fungicide, Honeywell Fluka™
CAS: 1336-21-6 Molecular Formula: H5NO Molecular Weight (g/mol): 35.05 MDL Number: MFCD00066650 InChI Key: VHUUQVKOLVNVRT-UHFFFAOYSA-N PubChem CID: 14923 ChEBI: CHEBI:18219 IUPAC Name: azanium;hydroxide SMILES: [NH4+].[OH-]
Thermo Scientific™ Orion™ Pure Water™ pH Buffers and pHISA™ Adjustor
Sample well, rain, distilled/deionized, boiler feed and process waters with this adjustor.
Electrolytes and Cleaning Solutions, WTW™
Used as refill solutions for liquid filled electrodes as well as a storage solution for all types of pH electrodes, these electrolytes and cleaning solutions are ideal for operating, storing, and cleaning electrodes.