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Electrochemistry Buffers

Buffer solutions suitable for use as reference and calibration standards for measuring pH values.
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1 – 15 of 89 results
1
Promotions Available

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.

EDGE
For Use With (Equipment) pH Instruments and Electrodes
Physical Form Liquid
Quantity 473 mL
For Use With (Application) Calibration
Solution Type Buffer
2
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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.

EDGE
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
3
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Buffer Solution pH4.00 (Phthalate), NIST Standard Solution ready to use for pH measurement, Fisher Chemical™

MDL Number: 217672

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MDL Number 217672
4
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Buffer Colour Coded Solution pH7.00 (Phosphate) Yellow, NIST Standard Solution ready to use for pH measurement, Fisher Chemical™

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5
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Technical pH Buffer Solutions, METTLER TOLEDO™
GREENER_CHOICE

Provides a reliable all-around pH buffer. Mettler Toledo™ Technical pH Buffer Solution are specified to two decimal places and are traceable to NIST standards. Color-coded solution comes in a handy 250mL plastic bottle with no-fuss labels.

EDGE
For Use With (Equipment) pH Electrode
Traceability to NIST Yes
Quantity 250 mL
Grade Technical
For Use With (Application) pH measurement, electrode calibration
6
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pH Buffer Sachets, METTLER TOLEDO™
GREENER_CHOICE

EDGE
7
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Technical Buffer pH 9.21 Sachets, Mettler Toledo™
GREENER_CHOICE

EDGE
8

Eutech™ pH Buffers and Solutions, Color-Coded

Eutech™ offers a wide range of pH buffers and solutions for use with pH meters and electrodes

EDGE
For Use With (Equipment) pH Meter and Electrode
9
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Buffer solution pH 4, Citrate buffer

CAS: 68-04-2 | C8H5KO4

EDGE
Name Note Phthalate buffer
CAS 7732-18-5
MDL Number MFCD00130806
Color Colorless
Traceability to NIST Traceable to NIST
Packaging Plastic bottle
Physical Form Liquid
pH 3.98 to 4.02 (20°C)
Chemical Name or Material Buffer solution pH 4
Molecular Formula C8H5KO4
Formula Weight 204.23
10

Buffer solution pH 10, Carbonate buffer

EDGE
CAS 7732-18-5
Color Colorless
Packaging Plastic bottle
Physical Form Liquid
pH 9.98 to 10.02 (20°C)
Health Hazard 1
Chemical Name or Material Buffer solution pH 10
11

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

CAS: 7558-79-4

EDGE
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
12

Technical Buffer Solution pH 7.00, Mettler Toledo™
GREENER_CHOICE

EDGE
13

pH 7.01 Calibration Buffer Sachets, Hanna Instruments™

EDGE
14

Buffer Solution pH3.00 (Phthalate), NIST Standard Solution ready to use for pH measurement, Fisher Chemical™

MDL Number: 217672

EDGE
MDL Number 217672
15
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Thermo Scientific™ Orion™ pH Buffer Bottles

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

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