Electrochemistry Buffers

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

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46 – 60 of 1,671 results

accumet™ pH 6.86 Buffer, Fisherbrand™

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accumet™ pH 7.00 (Yellow) Buffer, Fisherbrand™

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Specifications

Description	pH 7.00 (Yellow) Buffer
Traceability to NIST	Yes
pH	7
Solution Type	Buffer

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Buffer Solution, pH 4.63 (Certified), Fisher Chemical

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

Potassium Phosphate Monobasic/Sodium Hydroxide

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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

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Buffer Solution, pH 9.00 (Certified), Fisher Chemical™

Boric Acid/Potassium Chloride/Sodium Hydroxide

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Specifications

Boiling Point	100°C
CAS	7732-18-5
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!
Traceability to NIST	Traceable to NIST.
Physical Form	Liquid
pH	9.00
Chemical Name or Material	Buffer Solution, pH 9.00
Grade	Certified
Identification	Pass Test
ChemAlert Storage Symbol	Gray
Melting Point	0°C

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Buffer Solution, pH 6.00 (Certified), Fisher Chemical™

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 6.00
Grade	Certified
Identification	Pass Test
ChemAlert Storage Symbol	Gray
CAS	1310-73-2
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!
pH	6.00
Melting Point	0°C

accumet™ Ammonia Standard, 100ppm, Fisherbrand™

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accumet™ pH 4.01 (Red) Buffer, Fisherbrand™

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Specifications

Description	pH 4.01 (Red) Buffer
Traceability to NIST	Yes
pH	4.01
Solution Type	Buffer

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

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

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Specifications

For Use With (Equipment)	pH Meter and Electrode
Traceability to NIST	Certified and Traceable™
Physical Form	Liquid
Quantity	6 x 100 mL
For Use With (Application)	Calibration
Solution Type	Buffer

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

Buffer, Reference Standard, pH 12.45 ± 0.01 at 25°C, Ricca Chemical

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Specifications

CAS	7732-18-5
For Use With (Equipment)	pH Meter and Electrode
Physical Form	Liquid
pH	12.45
Concentration	1X
Shelf Life	18 months
For Use With (Application)	Calibration
Solution Type	pH Buffer
CAS Max %	0.37

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

Pricing & Availability
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, Reference Standard, pH 7.00 ± 0.01 at 25°C, Ricca Chemical

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Specifications

Name Note	pH 7.00 ± 0.01 at 25 deg C
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	pH Buffer
CAS Max %	0.5

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

For Fluoride Analysis using Ion Selective Electrodes

Pricing & Availability
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

Buffer, Reference Standard, pH 2.00 ± 0.01 at 25°C, Ricca Chemical

Pricing & Availability
Specifications

Boiling Point	100°C
CAS	7447-40-7
For Use With (Equipment)	pH Meter and Electrode
Color	Colorless
Physical Form	Liquid
pH	2
Concentration	1X
Shelf Life	24 months
For Use With (Application)	Calibration
Solution Type	pH Buffer
Melting Point	0°C

Electrochemistry Buffers

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Buffer Solution, pH 7.40 (Certified), Fisher Chemical™ GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More

Buffer Solution, pH 9.00 (Certified), Fisher Chemical™ GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More

Buffer Solution, pH 6.00 (Certified), Fisher Chemical™ GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More

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

Buffer, Reference Standard, pH 2.00 ± 0.01 at 25°C, Ricca Chemical SureTRACESupports traceability with guaranteed access to certificates and proactive change notifications.Learn More

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

Buffer Solution, pH 9.00 (Certified), Fisher Chemical™

Buffer Solution, pH 6.00 (Certified), Fisher Chemical™

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

Buffer, Reference Standard, pH 2.00 ± 0.01 at 25°C, Ricca Chemical