Electrochemistry Buffers

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

1 – 15 of 1,548 results

Buffer Solution, pH 7.00, Color-Coded Yellow (Certified), Fisher Chemical™

Pricing & Availability
Specifications

Boiling Point	100°C
Description	Potassium Phosphate Monobasic/Sodium Hydroxide. pH/temperature conversions given on label.
Color	Yellow
Traceability to NIST	Traceable to NIST.
Physical Form	Liquid
Chemical Name or Material	Buffer Solution, pH 7.00, Color-Coded Yellow
Grade	Certified
Identification	Pass Test
ChemAlert Storage Symbol	Gray
Density	1.0g/cm³
Vapor Pressure	760mmHg at 20°C
Absorbance	Pass Test
CAS	1934-21-0
Health Hazard 3	Emergency Overview May cause eye, skin, and respiratory tract irritation. Handle in accordance with good industrial hygiene and safety practice. 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. . . NFPA Health:1 Flammability:0 Instability:0
MDL Number	MFCD00134130
Health Hazard 2	CAUTION!
Solubility Information	Soluble in water
pH	7.00
Specific Gravity	1
Melting Point	0°C

Buffer Solution pH 7.0 at 25°C, Color Coded Yellow, Certified, LabChem™

Pricing & Availability
Specifications

Linear Formula	KH₂PO₄
Color	Yellow
Traceability to NIST	Traceable to NIST
Physical Form	Liquid
Chemical Name or Material	Buffer Solution pH 7.0 at 25°C
Grade	Certified
Identification	Passes Test
Name Note	Color Coded Yellow
CAS	1310-73-2
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	Phosphorus oxides; Sodium oxide
Health Hazard 2	GHS H Statement Solution is not hazardous.
Solubility Information	Soluble in water
pH	7.00 ±0.01
Recommended Storage	Room Temperature
Formula Weight	136.09
CAS Max %	0.08

Buffer Solution, pH 4.00, Color-Coded Red (Certified), Fisher Chemical™

pH/temperature conversions given on label

Pricing & Availability
Specifications

Boiling Point	100°C
Description	pH/temperature conversions given on label.
Color	Red
Traceability to NIST	Traceable to NIST.
Physical Form	Liquid
Chemical Name or Material	Buffer Solution, pH 4.00, Color-Coded Red
Grade	Certified
Identification	Pass Test
ChemAlert Storage Symbol	Gray
Density	1.0g/cm³
Absorbance	Pass Test
Concentration or Composition (by Analyte or Components)	Potassium Hydrogen Phthalate
CAS	16423-68-0
Health Hazard 3	Emergency Overview Contains a known or suspected carcinogen. The toxicological properties have not been fully investigated. 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. Do not induce vomiting. Obtain medical attention. NFPA Health:1 Flammability:0 Instability:0
MDL Number	MFCD00146206
Health Hazard 2	CAUTION!
Solubility Information	Soluble in water
pH	4.0
Specific Gravity	1
Melting Point	0°C

Buffer Solution, pH 10.00, Color-Coded Blue (Certified), Fisher Chemical™

Pricing & Availability
Specifications

Boiling Point	100°C
Color	Blue
Traceability to NIST	Traceable to NIST.
Physical Form	Liquid
Chemical Name or Material	Buffer Solution, pH 10.00, Color-Coded Blue
Grade	Certified
Identification	Pass Test
ChemAlert Storage Symbol	Gray
Absorbance	Pass Test
CAS	1310-58-3
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!
pH	10.0
Specific Gravity	1.013 at 25°C
Melting Point	0°C

pH Buffer Sachets, METTLER TOLEDO™

Pricing & Availability

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

Pricing & Availability
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

Buffer Solution, pH 4.00 (Certified), Fisher Chemical™

Pricing & Availability
Specifications

CAS	67-56-1
Health Hazard 3	Emergency Overview Contains a known or suspected carcinogen. The toxicological properties have not been fully investigated. 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. Do not induce vomiting. Obtain medical attention. NFPA Health:1 Flammability:0 Instability:0
MDL Number	MFCD00146206
Health Hazard 2	CAUTION!
Color	Undesignated
Traceability to NIST	Traceable to NIST.
Physical Form	Liquid
pH	4.0
Chemical Name or Material	Buffer Solution, pH 4.00
Grade	Certified
Identification	Pass Test
ChemAlert Storage Symbol	Gray
Density	1.0054g/cm³

Buffer, Reference Standard, pH 7.00 ± 0.01 at 25°C (Color Coded Yellow), Ricca Chemical

Pricing & Availability
Specifications

CAS	7732-18-5
For Use With (Equipment)	pH Meter and Electrode
Physical Form	Liquid
pH	7
CAS Min %	0.48
Chemical Name or Material	Buffer, Reference Standard
Concentration	1X
For Use With (Application)	Calibration
Solution Type	Colored pH Buffer
CAS Max %	0.5

Buffer Solution, pH 10.00 (Certified), Fisher Chemical™

Potassium Carbonate/Potassium Tetraborate/Potassium Hydroxide/Disodium EDTA Dihydrate

Pricing & Availability
Specifications

CAS	12228-88-5
Health Hazard 3	Emergency Overview May cause eye, skin, and respiratory tract irritation. Handle in accordance with good industrial hygiene and safety practice. Wear personal protective equipment. 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	Colorless
Traceability to NIST	Traceable to NIST.
Physical Form	Liquid
pH	10
Chemical Name or Material	Buffer Solution, pH 10.00
Grade	Certified
Identification	Pass Test
ChemAlert Storage Symbol	Gray

Buffer, Reference Standard, pH 4.00 ± 0.01 at 25°C (Color Coded Red), Ricca Chemical

Pricing & Availability
Specifications

Name Note	pH 4.00 ± 0.01 at 25 deg C (Color Coded Red)
CAS	7732-18-5
For Use With (Equipment)	pH Meter and Electrode
Physical Form	Liquid
pH	4
CAS Min %	0.99
Chemical Name or Material	Buffer, Reference Standard
Concentration	1X
For Use With (Application)	Calibration
Solution Type	Colored pH Buffer
CAS Max %	1.03

Buffer, Reference Standard, pH 10.00 ± 0.01 at 25°C (Color Coded Blue), Ricca Chemical

Pricing & Availability
Specifications

Boiling Point	100°C
Color	Blue
Physical Form	Liquid
CAS Min %	0.39
Chemical Name or Material	Buffer, Reference Standard
Concentration	1X
For Use With (Application)	Calibration
Name Note	pH 10.00 ± 0.01 at 25 deg C (Color Coded Blue)
CAS	7732-18-5
For Use With (Equipment)	pH Meter and Electrode
Solubility Information	Miscible
pH	10
DOT Information	Not Regulated by DOT
Solution Type	Colored pH Buffer
CAS Max %	0.41
Melting Point	0°C

Thermo Scientific™ Orion™ pH Buffer Bottles

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

Pricing & Availability
Specifications

For Use With (Equipment)	pH Meter and Electrode
Traceability to NIST	Yes
Physical Form	Liquid
Chemical Name or Material	pH Buffer, bottles

Buffer Variety Pack, pH 4, 7, 10, Mettler Toledo™

Two 500mL bottle each of pH 4, 7, and 10 buffers

Pricing & Availability

Buffer, Precision Reference Standard, pH 4.000 ± 0.002 at 25°C (Color Coded Red), Ricca Chemical

Pricing & Availability

Buffer Solution, pH 7.00 (Certified), Fisher Chemical™

Potassium Phosphate Monobasic/Sodium Hydroxide

Pricing & Availability
Specifications

Color	Colorless
Traceability to NIST	Traceable to NIST.
Physical Form	Liquid
Chemical Name or Material	Buffer Solution, pH 7.00
Grade	Certified
Identification	Pass Test
ChemAlert Storage Symbol	Gray
Density	1.003g/cm³
Vapor Pressure	14mmHg at 20°C
CAS	7732-18-5
MDL Number	MFCD00134130
pH	7.00
Synonym	Chlorine Titrimeter Reagent
Melting Point	0°C

Electrochemistry Buffers

Electrochemistry Buffers

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Buffer Solution, pH 7.00, Color-Coded Yellow (Certified), Fisher Chemical™ GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More

Buffer Solution pH 7.0 at 25°C, Color Coded Yellow, Certified, LabChem™ GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More

Buffer Solution, pH 10.00, Color-Coded Blue (Certified), Fisher Chemical™ GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More

pH Buffer Sachets, METTLER TOLEDO™ GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More Greener ChoiceOffers one or more environmental benefits itemized in the U.S. FTC “Green Guides.”Learn More

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

Buffer Solution, pH 4.00 (Certified), Fisher Chemical™ GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More

Buffer Solution, pH 10.00 (Certified), Fisher Chemical™ GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More

Buffer Variety Pack, pH 4, 7, 10, Mettler Toledo™ GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More

Buffer, Precision Reference Standard, pH 4.000 ± 0.002 at 25°C (Color Coded Red), Ricca Chemical Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Buffer Solution, pH 7.00 (Certified), Fisher Chemical™ GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More

Buffer Solution, pH 7.00, Color-Coded Yellow (Certified), Fisher Chemical™

Buffer Solution pH 7.0 at 25°C, Color Coded Yellow, Certified, LabChem™

Buffer Solution, pH 10.00, Color-Coded Blue (Certified), Fisher Chemical™

pH Buffer Sachets, METTLER TOLEDO™

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

Buffer Solution, pH 4.00 (Certified), Fisher Chemical™

Buffer Solution, pH 10.00 (Certified), Fisher Chemical™

Buffer Variety Pack, pH 4, 7, 10, Mettler Toledo™

Buffer, Precision Reference Standard, pH 4.000 ± 0.002 at 25°C (Color Coded Red), Ricca Chemical

Buffer Solution, pH 7.00 (Certified), Fisher Chemical™