pH Paper and Buffers

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.

pH 3.776 DIN 19266 Buffer Solution at 25°C, Reagecon

Tested, certified, NIST traceable, and shelf-stable buffer solution.

Alfa Aesar™ TEA, 0.2M buffer soln., pH 7.0

CAS: 102-71-6 Molecular Formula: C6H15NO3 Molecular Weight (g/mol): 149.19 MDL Number: MFCD00002855 InChI Key: GSEJCLTVZPLZKY-UHFFFAOYSA-N Synonym: Triethanolamine buffer solution PubChem CID: 7618 ChEBI: CHEBI:28621 IUPAC Name: 2-[bis(2-hydroxyethyl)amino]ethanol SMILES: C(CO)N(CCO)CCO

Alfa Aesar™ Maleate, 0.2M buffer soln., pH 5.5

CAS: 3105-55-3 Molecular Formula: C4H9NaO7 Molecular Weight (g/mol): 192.099 MDL Number: MFCD00012466 InChI Key: VOWLSUZYJXDGNJ-SQDRRJMKSA-M PubChem CID: 91658932 IUPAC Name: sodium;(Z)-4-hydroxy-4-oxobut-2-enoate;trihydrate SMILES: C(=CC(=O)[O-])C(=O)O.O.O.O.[Na+]

Alfa Aesar™ Sodium bicarbonate, 1M buffer soln., pH 9.4

CAS: 144-55-8 Molecular Formula: CHNaO3 Molecular Weight (g/mol): 84.006 MDL Number: MFCD00003528 InChI Key: UIIMBOGNXHQVGW-UHFFFAOYSA-M PubChem CID: 516892 ChEBI: CHEBI:32139 IUPAC Name: sodium;hydrogen carbonate SMILES: C(=O)(O)[O-].[Na+]

Alfa Aesar™ Borate, 0.5M buffer soln., pH 9.5

CAS: 1330-43-4 MDL Number: MFCD00163147

Lovibond™ Powder Packs™ for Free Chlorine

Premeasured unit dose DPD reagents for water quality testing

Thermo Scientific™ Orion™ Total Alkalinity Test Kit

Save time by eliminating additional equipment set-up, titrations and calculations with this total alkalinity test kit that provides two-step direct measurement.

Alfa Aesar™ Bicarbonate, 1M buffer soln., pH 8.5

CAS: 144-55-8 Molecular Formula: CHNaO3 Molecular Weight (g/mol): 84.006 MDL Number: MFCD00003528 InChI Key: UIIMBOGNXHQVGW-UHFFFAOYSA-M PubChem CID: 516892 ChEBI: CHEBI:32139 IUPAC Name: sodium;hydrogen carbonate SMILES: C(=O)(O)[O-].[Na+]

Alfa Aesar™ Succinate, 0.2M buffer soln., pH 4.5

CAS: 150-90-3 Molecular Formula: C4H4Na2O4 Molecular Weight (g/mol): 162.052 MDL Number: MFCD00002789 InChI Key: ZDQYSKICYIVCPN-UHFFFAOYSA-L PubChem CID: 9020 ChEBI: CHEBI:63675 IUPAC Name: disodium;butanedioate SMILES: C(CC(=O)[O-])C(=O)[O-].[Na+].[Na+]

Alfa Aesar™ Borate, 0.5M buffer soln., pH 9.0

CAS: 1330-43-4 MDL Number: MFCD00163147

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.

Lovibond™ PD250 Reagent Dispenser Refill: DPD Free Chlorine and Total Chlorine

For use with SC450 Chlorine and pH colorimeter, MC500 colorimeter and SP600 spectrophotometer

  spinner