pH Paper and Buffers

WTW™ Standard Buffer Solutions

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

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.

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.

Scharlab Buffer Solution pH 4

Synonym: Potassium hydrogen phthalate buffer

Thermo Scientific™ Orion™ pH Buffer Bottles

Perform accurate, reproducible pH calibrations with color-coded Thermo Scientific™ Orion™ pH Buffer Bottles.

Fisherbrand™ Traceable™ One-Shot pH Buffer Standards (CRM)

Provides the most accurate pH standards available anywhere. Fisherbrand™ Traceable™ One-Shot pH Buffer Standards (CRM) is 100% compatible with all makes and instruments.

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™ Pure Water™ pH Buffers and pHISA™ Adjustor

Sample well, rain, distilled/deionized, boiler feed and process waters with the Thermo Scientific™ Orion™ Pure Water™ pH Buffers and pHISA™ Adjustor.

WTW™ Electrolytes and Cleaning Solutions

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.

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