Electrochemistry Buffers

Buffer solutions suitable for use as reference and calibration standards for measuring pH values.

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Thermo Scientific accumet™ TISAB II for Fluoride Electrode, Fisherbrand™

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Specifications

Description	TISAB II for Fluoride Electrode
For Use With (Equipment)	Ion Selective Electrode
Packaging	Gallon
Chemical Name or Material	Ion Selective Electrode Reagents
For Use With (Application)	Ionic strength adjustors used for analysis with ion selective electrodes and special reagents used with some ion selective electrodes
Solution Type	Ionic Strength Adjustor

accumet™ pH 9.18 Buffer, Fisherbrand™

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accumet™ TISAB III Concentrate for Fluoride Electrode, Fisherbrand™

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Buffer Solution, TISAB, Fisher Chemical™

For Analysis of the Determination of Fluoride Ion Concentration by Fluoride Ion Electrode

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Specifications

Name Note	Total Ionic Strength Adjustment Buffer
CAS	52-51-7
Health Hazard 3	Emergency Overview May cause eye, skin, and respiratory tract irritation. Use personal protective equipment. Ensure adequate ventilation. Wash off immediately with plenty of water for at least 15 minutes. Get medical attention immediately if symptoms occur. Rinse immediately with plenty of water, also under the eyelids, for at least 15 minutes. Obtain medical attention. Move to fresh air. If breathing is difficult, give oxygen. Get medical attention immediately if symptoms occur. Do not induce vomiting. Obtain medical attention. Obtain medical attention. . NFPA Health:1 Flammability:0 Instability:0
MDL Number	MFCD00146206
Health Hazard 2	CAUTION!
Color	Undesignated
Physical Form	Liquid
pH	5.5
Chemical Name or Material	Buffer Solution, TISAB
Identification	Pass Test
ChemAlert Storage Symbol	Gray

accumet™ pH Electrode Storage Solution, Fisherbrand™

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Thermo Scientific Chemicals Sodium citrate, 0.5M buffer soln., pH 6.0

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Specifications

Health Hazard 3	GHS P Statement P280-P264-P305+P351+P338-P337+P313 Wear protective gloves/protective clothing/eye protection/face protection. Wash thoroughly after handling. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. If eye irritation persists: Get medical advice/attention.
MDL Number	MFCD00012462
Health Hazard 2	GHS H Statement H319 Causes serious eye irritation.
Color	Colorless
Solubility Information	Fully miscible in water.
Physical Form	Liquid
pH	6.0
Health Hazard 1	Warning
Chemical Name or Material	Sodium citrate buffer soln.
TSCA	Yes
Recommended Storage	Keep cold
Concentration	0.5 M
Odor	Odorless

LabChem, Inc. Buffer Solution pH 4.0 at 25°C, Certified, LabChem™

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Specifications

Linear Formula	KHC₈H₄O₄
Color	Colorless
Traceability to NIST	Traceable to NIST
Physical Form	Liquid
Chemical Name or Material	Buffer Solution pH 4.0 at 25°C
Grade	Certified
Identification	Passes Test
Density	1g/mL
CAS	67-56-1
Health Hazard 3	GHS P Statement If in contact with skin or eyes, rinse thoroughly with water for 15-20 minutes. If swallowed, get medical attention.
Decomposition Information	Formaldehyde; Carbon monoxide; Carbon dioxide
Health Hazard 2	GHS H Statement Solution is not hazardous.
Solubility Information	Soluble in water
pH	4.00 to 4.01
Recommended Storage	Room Temperature
Formula Weight	204.23
Specific Gravity	1g/mL
CAS Max %	0.005

Buffer Solution pH 1.68 at 25°C, Certified, LabChem™

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Specifications

Linear Formula	HO₂CCO₂H
Color	Colorless
Traceability to NIST	Traceable to NIST
Physical Form	Liquid
Chemical Name or Material	Buffer Solution pH 1.68 at 25°C
Grade	Certified
Identification	Passes Test
Density	1g/mL
CAS	1310-58-3
Decomposition Information	Potassium oxide; Carbon monoxide; Carbon dioxide; Thermal decomposition generates: Corrosive vapors
Health Hazard 2	GHS H Statement Causes severe skin burns and eye damage.
Solubility Information	Soluble in water
Packaging	Poly Bottle
pH	1.68 ±0.01
Health Hazard 1	Danger
Recommended Storage	Room Temperature
Formula Weight	90.04
Specific Gravity	1g/mL
CAS Max %	0.19

Ricca Chemical Company Total Ionic Strength Adjustment Buffer (TISAB II), with CDTA, Ricca Chemical

For Fluoride Analysis using Ion Selective Electrodes

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Specifications

Name Note	With CDTA
CAS	13291-61-7
For Use With (Equipment)	Ion Selective Electrode
Physical Form	Liquid
pH	5.4
CAS Min %	0.33
Chemical Name or Material	Buffer Solution, Total Ionic Strength Adjustment Buffer (TISAB II)
Grade	Laboratory
Concentration	1X
For Use With (Application)	Fluoride Analysis
Solution Type	Buffer
CAS Max %	0.34

Ricca Chemical Company Buffer, Reference Standard, pH 6.00 ± 0.01 at 25°C, Ricca Chemical

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Specifications

CAS	7732-18-5
For Use With (Equipment)	pH Meter and Electrode
Color	Colorless
Physical Form	Liquid
pH	6
CAS Min %	0.1
Concentration	1X
For Use With (Application)	Calibration
Solution Type	pH Buffer

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Applied Biosystems™ Anode Buffer Container (ABC), for 3500/SeqStudio™ Flex

The Anode Buffer Container (ABC) contains 1X running buffer to support all electrophoresis applications on the Applied Biosystems 3500 and SeqStudio Flex series genetic analyzers.

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

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

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Specifications

For Use With (Equipment)	pH Meter and Electrode
For Use With (Application)	Provide fast, accurate pH results in high purity and low ionic strength waters. Recommended for samples such as well water, rain water, distilled/deionized water, boiler feed water and process water.

Buffer Solution, pH 7.00, Color-Coded Green, Mettler Toledo™

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Thermo Scientific™ Orion™ pH Buffer Individual Use Pouches

Orion™ single-use pH calibration buffers deliver NIST-traceable accuracy for pH meters and electrodes. Designed for GxP labs, these ready-to-use, color-coded buffer pouches support compliant workflows, reduce contamination risk and ensure reliable, traceable pH calibration results.

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Specifications

Boiling Point	100°C
For Use With (Equipment)	pH Meter and Electrode, single-use
Solubility Information	Soluble
Traceability to NIST	Yes
Packaging	Pouch
Physical Form	Liquid
Chemical Name or Material	pH Buffer, individual use pouches
For Use With (Application)	pH calibration
Solution Type	Buffer

Buffer Solution, pH 2.00, Mettler Toledo™

CAS: 7447-40-7 Molecular Formula: ClK Molecular Weight (g/mol): 74.55 MDL Number: MFCD00011360 InChI Key: WCUXLLCKKVVCTQ-UHFFFAOYSA-M Synonym: Hydrochloric acid PubChem CID: 4873 ChEBI: CHEBI:32588 IUPAC Name: potassium chloride SMILES: [Cl-].[K+]

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Specifications

PubChem CID	4873
CAS	7447-40-7
Molecular Weight (g/mol)	74.55
ChEBI	CHEBI:32588
MDL Number	MFCD00011360
SMILES	[Cl-].[K+]
Synonym	Hydrochloric acid
IUPAC Name	potassium chloride
InChI Key	WCUXLLCKKVVCTQ-UHFFFAOYSA-M
Molecular Formula	ClK

Electrochemistry Buffers

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LabChem, Inc. Buffer Solution pH 4.0 at 25°C, Certified, LabChem™ GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More

Ricca Chemical Company Buffer, Reference Standard, pH 6.00 ± 0.01 at 25°C, Ricca Chemical SureTRACESupports traceability with guaranteed access to certificates and proactive change notifications.Learn More

Applied Biosystems™ Anode Buffer Container (ABC), for 3500/SeqStudio™ Flex Greener ChoiceOffers one or more environmental benefits itemized in the U.S. FTC “Green Guides.”Learn More

Buffer Solution, pH 7.00, Color-Coded Green, Mettler Toledo™ GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More

Buffer Solution, pH 2.00, Mettler Toledo™ GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More

LabChem, Inc. Buffer Solution pH 4.0 at 25°C, Certified, LabChem™

Ricca Chemical Company Buffer, Reference Standard, pH 6.00 ± 0.01 at 25°C, Ricca Chemical

Applied Biosystems™ Anode Buffer Container (ABC), for 3500/SeqStudio™ Flex

Buffer Solution, pH 7.00, Color-Coded Green, Mettler Toledo™

Buffer Solution, pH 2.00, Mettler Toledo™