Electrochemistry Buffers

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

1 – 15 of 1,530 results

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

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

pH/temperature conversions given on label

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

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Specifications

Name Note	pH 4.00 ± 0.01 at 25 deg C (Color Coded Red)
CAS	7732-18-5
CAS Min %	0.99
Chemical Name or Material	Buffer, Reference Standard
CAS Max %	1.03

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

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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

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

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

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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 7.00 ± 0.01 at 25°C (Color Coded Yellow), Ricca Chemical

Pricing & Availability
Specifications

CAS	7732-18-5
CAS Min %	0.48
Chemical Name or Material	Buffer, Reference Standard
CAS Max %	0.5

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

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

Pricing & Availability
Specifications

Boiling Point	100°C
Name Note	pH 10.00 ± 0.01 at 25 deg C (Color Coded Blue)
CAS	7732-18-5
Color	Blue
Solubility Information	Miscible
Physical Form	Liquid
pH	10
CAS Min %	0.39
DOT Information	Not Regulated by DOT
Chemical Name or Material	Buffer, Reference Standard
CAS Max %	0.41
Melting Point	0°C

Buffer Solution, pH 2.00 (Certified), Fisher Chemical™

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Pricing & Availability
Specifications

Boiling Point	100°C
Color	Undesignated
Traceability to NIST	Traceable to NIST.
Physical Form	Liquid
Chemical Name or Material	Buffer Solution, pH 2.00
Grade	Certified
Identification	In Pass Test
ChemAlert Storage Symbol	Gray
Density	1.0g/cm³
CAS	7732-18-5
Health Hazard 3	Emergency Overview May cause skin, eye, and respiratory tract irritation. The toxicological properties have not been fully investigated. WARNING! This product contains a chemical known in the State of California to
MDL Number	MFCD00146206
Health Hazard 2	CAUTION!
pH	2.00
Health Hazard 1	Signal Word: CAUTION!
DOT Information	DOT Class 8, : Corrosive
Melting Point	0°C

Traceable™ pH Buffer Standards, Certified Reference Material (CRM), Fisherbrand™

IUPAC formulation

Pricing & Availability
Specifications

For Use With (Equipment)	Instruments and Electrodes
Traceability to NIST	Traceable to NIST
Chemical Name or Material	pH Buffer Standards
Grade	Certified
Purity Grade Notes	Accuracy at 25°C is ±0010pH
ChemAlert Storage Symbol	Gray
Solution Type	Buffer

Traceable™ ISO 17034 (formerly 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.

Pricing & Availability
Specifications

For Use With (Equipment)	pH Instruments and Electrodes
Quantity	473 mL
Solution Type	Buffer

Buffer Solution, pH 7.40 (Certified), Fisher Chemical™

Potassium Phosphate Monobasic/Sodium Hydroxide

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Pricing & Availability
Specifications

Boiling Point	100°C
CAS	7732-18-5
MDL Number	MFCD00134130
Traceability to NIST	Traceable to NIST.
Packaging	Poly Bottle
Physical Form	Liquid
pH	7.4
Chemical Name or Material	Buffer Solution, pH 7.40
Grade	Certified
Identification	Pass Test
ChemAlert Storage Symbol	Gray
Density	1.0g/cm³
Melting Point	0°C

Buffer Solution, pH 3.00 (Certified), Fisher Chemical™

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Pricing & Availability
Specifications

Boiling Point	100°C
Color	Undesignated
Traceability to NIST	Traceable to NIST.
Physical Form	Liquid
Chemical Name or Material	Buffer Solution, pH 3.00
Grade	Certified
Identification	Pass Test
ChemAlert Storage Symbol	Gray
Density	0.7g/cm³
CAS	7732-18-5
Health Hazard 3	Emergency Overview May cause eye, skin, and respiratory tract irritation. 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!
pH	3.00
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

pH Buffer Sachets, METTLER TOLEDO™

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Electrochemistry Buffers

Electrochemistry Buffers

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pH Buffer Sachets, METTLER TOLEDO™ Greener ChoiceOffers one or more environmental benefits itemized in the U.S. FTC “Green Guides.”Learn More

pH Buffer Sachets, METTLER TOLEDO™