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Power Up Your Lab with
Electrochemistry Essentials
Elevate your scientific experiments with our range of electrochemistry products.
Get Up to 60% Off ›
Power Up Your Lab with
Electrochemistry Essentials
Elevate your scientific experiments with our range of electrochemistry products.
Get Up to 60% Off ›Select from our most popular products in the categories below to get up to 60% off. Enter promotion code 21700 upon checkout and the discount will be reflected in your basket. This offer expires on 31 May 2024*.
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Electrochemistry Analyzers and Systems
- Online Electrochemistry Analyzer Accessories
- Online Electrochemistry Analyzers
- Water and Wastewater System Accessories
- Water and Wastewater Systems
Electrochemistry Buffers
- Additional Analytical Buffers
- ISE Buffers
- pH Reference Buffers
Electrodes
- Automatic Temperature Compensation Probes
- Combination Ion Selective Electrodes
- Conductivity Electrodes
- Dissolved Oxygen and BOD Probes
- Electrode Accessories
- Indicating Half Cell Ion Selective Electrodes
- Indicating Half Cell pH Electrodes
- Micro pH Electrodes
- Multiparameter Electrode Sets
- pH, ORP, and Titration, Combination Electrodes
- Reference Half Cell pH Electrodes

Buffer Solution pH4.00 (Phthalate), NIST Standard Solution ready to use for pH measurement, Fisher Chemical™
MDL Number: 217672

MDL Number | 217672 |
---|
Thermo Scientific™ Orion™ pH Electrode Storage Solutions
Restore proper electrode performance and prolong electrode life using these pH electrode storage solutions.

Type | pH Electrode Storage Solution |
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Thermo Scientific™ Orion™ pH Buffer Individual Use Pouches
Ensure fresh, ready-to-use standards for pH calibration with these pH Buffer individual use pouches.

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 |
Mettler Toledo™ KCl 3M Electrode Filling Solution
Equipped with a special cap to facilitate easy filling of electrodes. Mettler Toledo™ KCl 3M Electrode Filling Solution is an electrolyte solution that enables optimum performance of pH and ion-selective electrodes. This bridge electrolyte contains no silver ions than can contaminate samples.

pH Range | Neutral |
---|---|
For Use With (Equipment) | ARGENTHAL™ Reference System pH Electrodes, DX Series ISE Half Cells |
Color | Colorless |
Packaging | Bottle with Special Filling Cap |
Concentration | 3 mol/L KCl |
NIST Traceable | Yes |
Mettler Toledo Technical pH Buffer Solutions, METTLER TOLEDO™
Greener Choice Product
This product offers one or more environmental benefits itemized in the U.S. FTC “Green Guides.”
Learn More About the Greener Choice Program

This product offers one or more environmental benefits itemized in the U.S. FTC “Green Guides.”
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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.

For Use With (Equipment) | pH Electrode |
---|---|
Traceability to NIST | Yes |
Quantity | 250 mL |
Grade | Technical |
For Use With (Application) | pH measurement, electrode calibration |
Mettler Toledo pH Buffer Sachets, METTLER TOLEDO™
Greener Choice Product
This product offers one or more environmental benefits itemized in the U.S. FTC “Green Guides.”
Learn More About the Greener Choice Program

This product offers one or more environmental benefits itemized in the U.S. FTC “Green Guides.”
Learn More About the Greener Choice Program

Technical Buffer Solution pH 7.00, Mettler Toledo™
Greener Choice Product
This product offers one or more environmental benefits itemized in the U.S. FTC “Green Guides.”
Learn More About the Greener Choice Program

This product offers one or more environmental benefits itemized in the U.S. FTC “Green Guides.”
Learn More About the Greener Choice Program

Technical Buffer Solution pH 4.01, Mettler Toledo™
Greener Choice Product
This product offers one or more environmental benefits itemized in the U.S. FTC “Green Guides.”
Learn More About the Greener Choice Program

This product offers one or more environmental benefits itemized in the U.S. FTC “Green Guides.”
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Thermo Scientific Acros Buffer solution pH 7, Phosphate buffer
CAS: 7558-79-4 | H2KO4P

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 |
Thermo Scientific Alfa Aesar Buffer solution pH 7.00 (+/-0.024 @ 25oC) No Color Specpure NIST Traceable
CAS: 1336-21-6 | H5NO | 35.05 g/mol

Molecular Weight (g/mol) | 35.05 |
---|---|
ChEBI | CHEBI:18219 |
Color | Colorless |
Traceability to NIST | Yes |
Physical Form | Liquid |
Chemical Name or Material | Buffer solution |
Grade | Specpure™ |
SMILES | N.O |
InChI Key | VHUUQVKOLVNVRT-UHFFFAOYSA-N |
PubChem CID | 14923 |
CAS | 1336-21-6 |
MDL Number | MFCD00066650 |
Solubility Information | pH 7.00 buffers are in solution form. Miscible with water. |
TSCA | Yes |
Recommended Storage | Ambient temperatures |
Molecular Formula | H5NO |
Odor | Odorless |
Thermo Scientific Alfa Aesar Buffer solution pH 4.01 (+/-0.022 @ 25oC) No Color Specpure NIST Traceable
CAS: 1336-21-6 | H5NO | 35.05 g/mol

Molecular Weight (g/mol) | 35.05 |
---|---|
ChEBI | CHEBI:18219 |
Color | Colorless |
Physical Form | Liquid |
Chemical Name or Material | Buffer solution |
SMILES | N.O |
InChI Key | VHUUQVKOLVNVRT-UHFFFAOYSA-N |
Vapor Pressure | 23 hPa (17mm Hg) at 20°C |
PubChem CID | 14923 |
MDL Number | MFCD00066650 |
Solubility Information | Miscible with water. |
TSCA | Yes |
Recommended Storage | Ambient temperatures |
IUPAC Name | azanium;hydroxide |
Molecular Formula | H5NO |
Odor | Odorless |
Technical pH Buffer Solution, pH 9.21, Mettler Toledo™
Greener Choice Product
This product offers one or more environmental benefits itemized in the U.S. FTC “Green Guides.”
Learn More About the Greener Choice Program

This product offers one or more environmental benefits itemized in the U.S. FTC “Green Guides.”
Learn More About the Greener Choice Program

Mettler Toledo™ FiveEasy™ F20 pH/mV Meters
Compact, benchtop meter provides high quality pH/mV measurements with simple click of a button

Accuracy (mV) | ±1 |
---|---|
Memory | Current calibration |
Resolution (pH) | 0.01 |
Range (pH) | 0 to 14 |
Calibration | Linear |
Accuracy (pH) | ±0.01 |
Temperature Compensation | ATC and MTC |
Dimensions (L x W x H) | 22.7 x 14.7 x 7 cm (9 x 5.7 x 2.7 in.) |
Display Type | LCD |
Voltage | 120/240 V |
Model | F20 |
Resolution (mV) | 1mV |
Frequency | 50/60 Hz |
Temperature Range (English) | 32°F to 212°F |
Weight (English) | 1.4 lb. |
Resolution (Temperature) | 0.1°C |
Temperature Range (Metric) | 0°C to 100°C |
Range (mV) | 2000 to 2000 |
Inputs | BNC, Cinch, NTC 30kiloOhm sensors |
Accuracy (Temperature) | 0.5°C |
Weight (Metric) | 0.63 kg |
Thermo Scientific Alfa Aesar Buffer solution, pH 12.00 (+/-0.01 @ 25oC), No Color, Specpure, NIST Traceable
CAS: 1336-21-6 | H5NO | 35.05 g/mol

PubChem CID | 14923 |
---|---|
CAS | 1336-21-6 |
Molecular Weight (g/mol) | 35.05 |
ChEBI | CHEBI:18219 |
MDL Number | MFCD00066650 |
Solubility Information | Immiscible with water. |
Physical Form | Liquid |
Chemical Name or Material | Buffer solution |
SMILES | N.O |
TSCA | Yes |
Recommended Storage | Ambient temperatures |
InChI Key | VHUUQVKOLVNVRT-UHFFFAOYSA-N |
Molecular Formula | H5NO |
Terms & Conditions
*Discount will apply to qualifying orders received by the Fisher Scientific channel between 13/05/2024 and 31/05/2024. Promotion code must be presented at the time of order. Discount applies to the list price in effect at the time the order is received. Promotion cannot be combined with other discounts or promotions. Offer void where prohibited, licensed, or restricted by federal, state, provincial, or local laws or regulations, or by agency/institutional policy. Other restrictions may apply.