Electrochemistry Buffers

Electrochemistry Buffers

Buffer solutions suitable for use as reference and calibration standards for measuring pH values.
Quantity 
  • (16)
  • (5)
  • (3)
  • (3)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
pH 
  • (3)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
Color 
  • (12)
  • (4)
  • (4)
  • (3)
  • (2)
  • (1)
  • (1)
  • (1)
Grade 
  • (13)
  • (1)
Boiling Point 
  • (12)
special interests: Fast Shipping Clear all selections

Filtered Search Results

Products from some of our suppliers do not display in filtered search results. Please clear all filters to see these products.

Filter By

Selected Filters

Clear all

special interests

edge Fast Shipping

Filter By

Filter By

No results found within this category. Try removing some selected filters and try again.

category

brands

  • (1)
  • (1)
  • (10)
  • (24)
  • (6)
  • (4)
  • (1)
  • (3)
  • (11)
  • (6)
  • (1)

special offers

  • (7)
  • (7)
  • (4)
  • (4)

special interests

  • (51)
  • (423)
  • (56)
  • (34)
  • (14)

Quantity

  • (16)
  • (5)
  • (3)
  • (3)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)

pH

  • (3)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)

Color

  • (12)
  • (4)
  • (4)
  • (3)
  • (2)
  • (1)
  • (1)
  • (1)

Grade

  • (13)
  • (1)

Boiling Point

  • (12)

For Use With (Equipment)

  • (5)
  • (3)
  • (3)
  • (1)

Solution Type

  • (6)
  • (5)
  • (1)

For Use With

  • (4)
  • (3)
  • (1)
  • (1)

Melting Point

  • (8)

Solubility

  • (5)
  • (2)
1 – 30 of 33 results
1

Traceable™ One-Shot™ pH Buffer Standards pH 4.005 Certified Reference Material (CRM), Fisherbrand™

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

EDGE
For Use With pH Instruments and Electrodes
Additional Information Accuracy of pH: ±0.010 at 25°C
For Use With (Equipment) pH Instruments and Electrodes
Quantity 100mL; 6-pk.
NIST Traceable Certified and Traceable™
Solution Type Buffer Solution
2

Buffer Solution, pH 4.63 (Certified), Fisher Chemical

EDGE
CAS 7732-18-5
MDL Number MFCD00137248
Chemical Name or Material Buffer Solution, pH 4.64
3

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

Promotions are available
EDGE
CAS 7664-38-2
Molecular Weight (g/mol) 380.17
MDL Number MFCD00146206
Traceability to NIST Pass Test
Packaging Poly Bottle
NIST Traceable to NIST.
Physical Form Liquid
Chemical Name or Material Buffer Concentrate, pH 7.00
Identification Pass Test
Grade Certified
InChI Key UEUXEKPTXMALOB-UHFFFAOYSA-J
Molecular Formula C10H12N2Na4O8
ChemAlert Storage Symbol Gray
4

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

Boric Acid/Potassium Chloride/Sodium Hydroxide

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

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

Promotions are available
EDGE
Color Undesignated
Traceability to NIST Pass Test
Physical Form Liquid
Chemical Name or Material Buffer Solution, pH 4.00
Identification Pass Test
Grade Certified
ChemAlert Storage Symbol Gray
Density 1.0054g/cm³
Analyte or Component Names Potassium Acid Phthalate
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!
NIST Traceable to NIST.
pH 4.0
6

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

EDGE
Boiling Point 100°C
Color Undesignated
Traceability to NIST Pass Test
Physical Form Liquid
Chemical Name or Material Buffer Solution, pH 3.00
Identification Pass Test
Grade Certified
ChemAlert Storage Symbol Gray
Density 0.7g/cm³
Analyte or Component Names Potassium Acid Phthalate,Hydrochloric Acid
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!
NIST Traceable to NIST.
pH 3.00
Melting Point 0°C
7

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

IUPAC formulation

EDGE
For Use With (Equipment) Instruments and Electrodes
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 Solution
8

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
Additional Information Accuracy of pH: ±0.010 at 25°C
For Use With (Equipment) pH Instruments and Electrodes
Quantity 473mL
Solution Type Buffer Solution
9

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

pH/temperature conversions given on label

Promotions are available
EDGE
Boiling Point 100°C
Description pH/temperature conversions given on label.
Color Red
Traceability to NIST Pass Test
Physical Form Liquid
Chemical Name or Material Buffer Solution, pH 4.00, Color-Coded Red
Identification Pass Test
Grade Certified
ChemAlert Storage Symbol Gray
Density 1.0g/cm³
Analyte or Component Names Potassium Hydrogen Phthalate
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!
NIST Traceable to NIST.
pH 4.0
Solubility Information Soluble in water
Specific Gravity 1
Melting Point 0°C
10

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

Promotions are available
EDGE
Boiling Point 100°C
Description Potassium Phosphate Monobasic/Sodium Hydroxide. pH/temperature conversions given on label.
pH Range 6.99 to 7.01 (at 25°C)
Color Yellow
Traceability to NIST Pass Test
Physical Form Liquid
Chemical Name or Material Buffer Solution, pH 7.00, Color-Coded Yellow
Identification Pass Test
Grade Certified
ChemAlert Storage Symbol Gray
Density 1.0g/cm³
Vapor Pressure 760mmHg at 20°C
Absorbance Pass Test
Additional Information Vapor Pressure: 760mmHg at 20°C
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!
NIST Traceable to NIST.
pH 7.00
Solubility Information Soluble in water
Specific Gravity 1
NIST Traceable Traceable
Melting Point 0°C
11

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

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

Promotions are available
EDGE
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
Color Colorless
MDL Number MFCD00146206
Health Hazard 2 CAUTION!
Traceability to NIST Pass Test
NIST Traceable to NIST.
pH 10
Physical Form Liquid
Chemical Name or Material Buffer Solution, pH 10.00
Identification Pass Test
Grade Certified
ChemAlert Storage Symbol Gray
12

Buffer Concentrate, pH 11.00 (Certified), Fisher Chemical

Promotions are available
EDGE
CAS 7732-18-5
MDL Number MFCD00163176
Chemical Name or Material Buffer Concentrate, pH 11.01
13

Buffer pH 8.0, MilliporeSigma™

EDGE
Chemical Name or Material Buffer pH 8.0
14

Thermo Scientific™ Orion™ pH Buffer Individual Use Pouches

Ensure fresh, ready-to-use standards for pH calibration with these pH Buffer individual use pouches.

EDGE
Boiling Point 100°C
Type pH Buffer, individual use pouches
For Use With single use for pH calibration
For Use With (Equipment) pH Meter and Electrode, single use
Solubility Soluble
Packaging Pouch
Physical Form Liquid
NIST Traceable Yes
Solution Type Buffer solution
15

Thermo Scientific™ Orion™ Pure Water™ pH Buffers and pHISA™ Adjustor

Sample well, rain, distilled/deionized, boiler feed and process waters with this adjustor.

EDGE
Type pH Buffer/Ionic Strength Adjustor
For Use With (Equipment) pH Meter and Electrode
16

Thermo Scientific™ Orion™ pH Buffer Bottles

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

EDGE
Type pH Buffer, bottles
For Use With for accurate, reproducible pH calibrations
For Use With (Equipment) pH Meter and Electrode
NIST Traceable Yes
17

Buffer Solution (Biphthalate), pH 4 (Color Coded Red), BAKER ANALYZED Reagent, J.T. Baker™

EDGE
Chemical Name or Material Buffer Solution (Biphthalate)
18

Buffer, Reference Standard, pH 6.00 ± 0.01 at 25°C, Ricca Chemical
SDP

EDGE
CAS 7732-18-5
Color Colorless
Physical Form Liquid
CAS Min % 0.1
19

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

EDGE
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
20

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

EDGE
Boiling Point 100°C
Name Note pH 10.00 ± 0.01 at 25 deg C (Color Coded Blue)
CAS 7732-18-5
Solubility Miscible
Color Blue
pH 10
Physical Form Liquid
CAS Min % 0.39
DOT Information Not Regulated by DOT
Chemical Name or Material Buffer, Reference Standard
Melting Point 0°C
CAS Max % 0.41
21

Buffer, Reference Standard, pH 6.86 ± 0.01 at 25°C, Ricca Chemical
SDP

EDGE
CAS 7732-18-5
Color Colorless
Physical Form Liquid
CAS Min % 0.33
CAS Max % 0.34
22

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

EDGE
CAS 7732-18-5
Color Green
Physical Form Liquid
Shelf Life 24 months
CAS Max % 0.5
23

Buffer, Reference Standard, pH 1.68 ± 0.01 at 25°C, Ricca Chemical
SDP

EDGE
Boiling Point 100°C
Color Colorless
pH 1.68
Physical Form Liquid
Shelf Life 24 months
Melting Point 0°C
24

Buffer, Reference Standard, pH 9.00 ± 0.01 at 25°C, Ricca Chemical
BIOPHARMA SDP

EDGE
CAS 7447-40-7
Color Colorless
Physical Form Liquid
25

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

EDGE
CAS 7732-18-5
CAS Min % 0.48
Chemical Name or Material Buffer, Reference Standard
CAS Max % 0.5
26

Buffer, Reference Standard, pH 4.00 ± 0.01 at 25°C, Ricca Chemical
BIOPHARMA SDP

EDGE
Name Note pH 4.00 ± 0.01 at 25 deg C
CAS 7732-18-5
CAS Min % 0.99
Chemical Name or Material Buffer, Reference Standard
CAS Max % 1.03
27

pH buffer pouches, Oakton™

CAS: 877-24-7,877-24-7 Molecular Formula: C8H5KO4 Molecular Weight (g/mol): 204.222 InChI Key: IWZKICVEHNUQTL-UHFFFAOYSA-M PubChem CID: 23676735 IUPAC Name: potassium;2-carboxybenzoate SMILES: C1=CC=C(C(=C1)C(=O)O)C(=O)[O-].[K+]

EDGE
PubChem CID 23676735
CAS 877-24-7,877-24-7
Molecular Weight (g/mol) 204.222
SMILES C1=CC=C(C(=C1)C(=O)O)C(=O)[O-].[K+]
IUPAC Name potassium;2-carboxybenzoate
InChI Key IWZKICVEHNUQTL-UHFFFAOYSA-M
Molecular Formula C8H5KO4
28

pH Calibration Buffer Bottles, Oakton™

EDGE
29

Micro Essential Lab Hydrion™ Buffer Chemvelopes

Powdered ingredients make precision buffers: ±0.02pH at 25°C

EDGE
30

Assorted pH Buffers Case, YSI™

Various pH buffers for pH probe calibration.

EDGE