Electrochemistry Buffers

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

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76 – 90 of 1,641 results

Buffer Solution pH 5.0 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 5.0 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	5.00 ±0.01
Recommended Storage	Room Temperature
Formula Weight	204.23
Specific Gravity	1g/mL
CAS Max %	0.005

Buffer Solution pH 2.0 at 25°C, Certified, LabChem™

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Specifications

Linear Formula	KCl
Color	Colorless
Traceability to NIST	Traceable to NIST
Physical Form	Liquid
Chemical Name or Material	Buffer Solution pH 2.0 at 25°C
Grade	Certified
Identification	Passes Test
Density	1g/mL
CAS	7647-01-0
Decomposition Information	Hydrogen chloride
Health Hazard 2	GHS H Statement Causes skin and serious eye irritation.
Solubility Information	Soluble in water
pH	2.00 ±0.01
Health Hazard 1	Warning
Recommended Storage	Room Temperature
Formula Weight	74.55
Specific Gravity	1g/mL
CAS Max %	0.04

Micro Essential Lab Hydrion™ Buffer Chemvelopes

Powdered ingredients make precision buffers: ±0.02pH at 25°C

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Micro Essential Labs Hydrion pH Buffers

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Fisher Scientific Buffer-Pac Color-Coded Solutions (Certified), Fisher Chemical

CAS: 50-00-0 Molecular Formula: CH2O Molecular Weight (g/mol): 30.03 MDL Number: MFCD00003274 InChI Key: WSFSSNUMVMOOMR-UHFFFAOYSA-N PubChem CID: 712 ChEBI: CHEBI:16842 IUPAC Name: formaldehyde SMILES: C=O

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Specifications

PubChem CID	712
CAS	50-00-0
Molecular Weight (g/mol)	30.03
ChEBI	CHEBI:16842
MDL Number	MFCD00003274
SMILES	C=O
IUPAC Name	formaldehyde
InChI Key	WSFSSNUMVMOOMR-UHFFFAOYSA-N
Molecular Formula	CH2O

pH Calibration Buffer Bottles, Oakton™

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Assorted pH Buffers Case, YSI™

Various pH buffers for pH probe calibration.

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Potassium phosphate, monobasic, for HPLC

CAS: 7778-77-0 Molecular Formula: H2KO4P Molecular Weight (g/mol): 136.08 MDL Number: MFCD00011401 MFCD00147253 InChI Key: GNSKLFRGEWLPPA-UHFFFAOYSA-M IUPAC Name: potassium dihydrogen phosphate SMILES: [K+].OP(O)([O-])=O

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Specifications

CAS	7778-77-0
Molecular Weight (g/mol)	136.08
MDL Number	MFCD00011401 MFCD00147253
SMILES	[K+].OP(O)([O-])=O
IUPAC Name	potassium dihydrogen phosphate
InChI Key	GNSKLFRGEWLPPA-UHFFFAOYSA-M
Molecular Formula	H2KO4P

Thermo Scientific Chemicals Sodium phosphate, 0.5M buffer soln., pH 8.0

Pricing & Availability
Specifications

MDL Number	MFCD00146206
Solubility Information	Soluble in water (121mg/ml at 20°C).
Physical Form	Liquid
pH	8.0
Chemical Name or Material	Sodium phosphate buffer soln.
TSCA	Yes
Recommended Storage	Ambient temperatures
Concentration	0.5 M

pH 7 Buffer Standard, SPEX CertiPrep™

ISO/IEC Guide 34 Certified, NIST-Traceable Certified Reference Material

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Specifications

Chemical Name or Material	pH 7 Buffer Standard

Ricca Chemical Company Buffer, Reference Standard, pH 11.00 ± 0.01 at 25°C, Ricca Chemical

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Specifications

For Use With (Equipment)	pH Meter and Electrode
Physical Form	Liquid
pH	11
CAS Min %	0.11
Concentration	1X
For Use With (Application)	Calibration
Solution Type	pH Buffer
CAS Max %	0.11

Buffer Solution, pH 10, Color-coded blue, Certified

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Specifications

Absorbance	Pass Test
Name Note	Traceable to NIST
pH	9.98 to 10.02
Chemical Name or Material	Buffer solution, pH 10.00
Grade	Certified
Identification	Pass Test

pH 4 Buffer Standard, SPEX CertiPrep™

ISO/IEC Guide 34 Certified, NIST-Traceable Certified Reference Material

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Specifications

Chemical Name or Material	pH 4 Buffer Standard

Buffer solution pH 7, Phosphate buffer, traceable to NIST, ready to use

CAS: 7558-79-4

Pricing & Availability
Specifications

Name Note	Phosphate buffer, traceable to NIST, ready to use
CAS	7647-14-5
MDL Number	MFCD03097944
Solubility Information	Solubility in water: miscible.
Chemical Name or Material	Buffer solution pH 7
Density	1.0000g/mL
Specific Gravity	1

Buffer solution pH 7, Phosphate buffer

CAS: 7558-79-4 | H₂KO₄P

Pricing & Availability
Specifications

CAS	7732-18-5
MDL Number	MFCD03097944
Packaging	Plastic bottle
Chemical Name or Material	Buffer solution pH 7
Merck Index	14, 7659
Molecular Formula	H₂KO₄P
Formula Weight	136.09
Vapor Pressure	14mmHg at 20°C

Electrochemistry Buffers

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Buffer Solution pH 5.0 at 25°C, Certified, LabChem™ GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More

Fisher Scientific Buffer-Pac Color-Coded Solutions (Certified), Fisher Chemical GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More

pH 7 Buffer Standard, SPEX CertiPrep™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

pH 4 Buffer Standard, SPEX CertiPrep™ GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Buffer Solution pH 5.0 at 25°C, Certified, LabChem™

Fisher Scientific Buffer-Pac Color-Coded Solutions (Certified), Fisher Chemical

pH 7 Buffer Standard, SPEX CertiPrep™

pH 4 Buffer Standard, SPEX CertiPrep™