pH Paper and Buffers

Thermo Scientific™ Orion™ pH Buffer Bottles

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

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.

Fisherbrand™ Traceable™ ISO Guide 34 Color-Coded CRM pH Buffers (Certified Reference Material)

Performs accurate, reproducible pH calibrations with color-coded bottles. Fisherbrand™ Traceable, Color-Coded buffers are Certified Reference Material pH Buffers.Compatible with all makes of pH instruments and electrodes.

Buffer solution pH 4.0 (20°C), Red colored, citric acid / sodium hydroxide / sodium chloride solution, with fungicide, Honeywell Fluka™

CAS: 1336-21-6 Molecular Formula: H5NO Molecular Weight (g/mol): 35.046 InChI Key: VHUUQVKOLVNVRT-UHFFFAOYSA-N PubChem CID: 14923 ChEBI: CHEBI:18219 IUPAC Name: azanium;hydroxide SMILES: [NH4+].[OH-]

Thermo Scientific™ Orion™ pH Buffer Individual Use Pouches

Ensure fresh, ready to use standards for pH calibration with Thermo Scientific™ Orion™ pH Buffer Individual Use Pouches.

Singe-Use Calibration Buffers, Color-Coded

Can be used for direct pH electrode calibration and then discarded.

Reagecon™ Buffer Solution, pH 4.00, Red

Certified by an ISO 17025 accredited method and NIST traceable. Reagecon™ Buffer Solution, pH 4.00, Red is tested at 20°C to an accuracy of ±0.01. This calibration and control buffer is specially formulated to ensure its stability, is color coded and features a twin-neck bottle design.

Scharlab Buffer Solution pH 4

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

Reagecon™ Buffer Solution, pH 10.00, Blue

Certified by an ISO 17025 accredited method and NIST traceable. Reagecon™ Buffer Solution, pH 10.00, Blue is tested at 20°C to an accuracy of ±0.01. This calibration and control buffer is specially formulated to ensure its stability, is color coded and features a twin-neck bottle design.

Thermo Scientific™ Orion™ pH Buffer Cubitainers™

Hold 5 gallons (19L) of pH buffer in color-coded Thermo Scientific™ Orion™ pH Buffer Cubitainers™ with easy-pour spigot.

Lovibond™ Powder Packs™ for Total Chlorine

Premeasured unit dose DPD reagents for water quality testing

Alfa Aesar™ Sodium bicarbonate, 1M buffer soln., pH 10.0

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 8.0

CAS: 1330-43-4 MDL Number: MFCD00163147

Alfa Aesar™ Sodium 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™ Sodium bicarbonate, 1M buffer soln., pH 9.0

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™ Bicarbonate, 1M buffer soln., pH 9.0

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™ 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™ 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

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