pH Paper and Buffers

Mettler Toledo™ Technical pH Buffer Solutions

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.

WTW™ Standard Buffer Solution pH 4.01

With a high accuracy: ±0.02 pH, this standard buffering solution is traceably certified to PTB/NIST and therefore safe for use.

WTW™ Standard Buffer Solution pH 6.87

As standard buffering solutions, the buffers pH 6.865 and PL 7 are available in 250 ml bottles with a high accuracy to ± 0.02 pH

WTW™ Standard Buffer Solutions

As a standard buffering solution, this buffer pH 9.180 (PL 7) is available in a 250 ml bottle.

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): 35.046 MDL Number: MFCD00146206 InChI Key: VHUUQVKOLVNVRT-UHFFFAOYSA-N PubChem CID: 14923 ChEBI: CHEBI:18219 IUPAC Name: azanium;hydroxide SMILES: [NH4+].[OH-]

Thermo Scientific™ Orion™ Standard All-in-One™ pH Buffer Kit

Work with ease using this color-coded pH buffer kit that includes three buffers, storage solution and a storage bottle.

Thermo Scientific™ Orion™ pH Buffer Bottles

Perform accurate, reproducible pH calibrations with these color-coded buffer bottles.

Cytiva Whatman™ pH Indicator Papers, CF Strips

Provides an extremely clear and accurate visual pH value using four different segments of dye-impregnated indicator papers. Whatman™ pH Indicator Papers, CF Strips use dyes that are chemically bonded to the paper and cannot be leached into solution.