pH Paper and Buffers

Thermo Scientific™ Orion™ pH Buffer Bottles

Thermo Scientific™ Orion™ pH Buffer Bottles

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

Electrolytes and Cleaning Solutions, WTW™

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.

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

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

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™

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): 35.05 MDL Number: MFCD00066650 InChI Key: VHUUQVKOLVNVRT-UHFFFAOYSA-N PubChem CID: 14923 ChEBI: CHEBI:18219 IUPAC Name: azanium;hydroxide SMILES: [NH4+].[OH-]

Thermo Scientific™ Orion™ pH Buffer Individual Use Pouches

Thermo Scientific™ Orion™ pH Buffer Individual Use Pouches

Ensure fresh, ready-to-use standards for pH calibration with these pH Buffer individual use pouches.

Singe-Use Calibration Buffers, Color-Coded

Singe-Use Calibration Buffers, Color-Coded

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

Buffer Solution pH 4, Scharlab

Buffer Solution pH 4, Scharlab

Synonym: Potassium hydrogen phthalate buffer

Buffer Solution, pH 4.00, Red, Reagecon™

Buffer Solution, pH 4.00, Red, Reagecon™

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.

Buffer Solution pH 7.0 (20°C), Potassium Dihydrogen Phosphate / Disodium Hydrogen Phosphate, Traceable to SRM from NIST, with Fungicide, Honeywell Fluka™

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-]

Buffer Solution, pH 10.00, Blue, Reagecon™

Buffer Solution, pH 10.00, Blue, Reagecon™

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.

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

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

CAS: 1330-43-4 MDL Number: MFCD00163147

Thermo Scientific™ Orion™ Total Alkalinity Test Kit

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™ Glycylglycine, 0.2M buffer soln., pH 8.5

Alfa Aesar™ Glycylglycine, 0.2M buffer soln., pH 8.5

CAS: 556-50-3 Molecular Formula: C4H8N2O3 Molecular Weight (g/mol): 132.119 MDL Number: MFCD00008130 InChI Key: YMAWOPBAYDPSLA-UHFFFAOYSA-N PubChem CID: 11163 ChEBI: CHEBI:17201 IUPAC Name: 2-[(2-aminoacetyl)amino]acetic acid SMILES: C(C(=O)NCC(=O)O)N

Traceable™ One-Shot™ pH Buffer Standards pH 4.005 Certified Reference Material (CRM), Fisherbrand™

Traceable™ One-Shot™ pH Buffer Standards pH 4.005 Certified Reference Material (CRM), Fisherbrand™

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

Alfa Aesar™ Borate, 0.5M buffer soln., pH 8.0

Alfa Aesar™ Borate, 0.5M buffer soln., pH 8.0

CAS: 1330-43-4 MDL Number: MFCD00163147

Buffer, Precision Reference Standard, pH 10.000 (Color Coded Blue), Ricca Chemical

Buffer, Precision Reference Standard, pH 10.000 (Color Coded Blue), Ricca Chemical

Standardized against NIST-certified pH references. High-Accuracy pH Buffer solutions are for use with meters with 0.001 resolution.

Thermo Scientific™ Orion™ Pure Water™ pH Buffers and pHISA™ Adjustor

Thermo Scientific™ Orion™ Pure Water™ pH Buffers and pHISA™ Adjustor

Sample well, rain, distilled/deionized, boiler feed and process waters with this adjustor.

Alfa Aesar™ Succinate, 0.2M buffer soln., pH 4.0

Alfa Aesar™ Succinate, 0.2M buffer soln., pH 4.0

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™ TEA, 0.2M buffer soln., pH 8.0

Alfa Aesar™ TEA, 0.2M buffer soln., pH 8.0

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

  spinner