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Buffers and Standards

Buffers and Standards

Hydrogen ion buffers comprising a mixture of a weak acid and its conjugate base or vice-versa and used to stabilize pH; also diluents, washing solutions, and standard-value solutions used for a broad array of scientific calibration purposes.

The buffers used to calibrate pH meters may be certified and/or traceable to the National Institute of Standards and Technology (NIST). These buffers may also be color-coded for easy identification:

  • Red: pH 4.0
  • Yellow: pH 7.0
  • Blue: pH 10.0

 

Chromatography Standards (6,460)
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Matrix Blanks and Standardization Solutions (1,165)
Electrochemistry Buffers (980)
Life Science Buffers (921)
Electrochemistry Standards (647)
Environmental Testing Standards (442)
Karl Fischer Buffers and Reagents (186)
Kjeldahl Buffers and Reagents (57)
Viscosity Standards (41)
Quality Control and Proficiency Samples (17)
Isotope Standards (3)
Matrix Modifiers (3)
Osmolality Standards (3)

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1 – 15 of 11,843 results
1

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

Promotions are available
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!
Color Undesignated
Traceability to NIST Traceable to NIST.
Physical Form Liquid
pH 4.0
Chemical Name or Material Buffer Solution, pH 4.00
Grade Certified
Identification Pass Test
ChemAlert Storage Symbol Gray
Density 1.0054g/cm³
2

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

Promotions are available
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
3

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

Promotions are available
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
4

Electrode Storage Solution, Fisher BioReagents™

For use in storage of pH electrodes

Promotions are available
6

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

pH/temperature conversions given on label

Promotions are available
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
7

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

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
8

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

Boric Acid/Potassium Chloride/Sodium Hydroxide

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
9

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

Promotions are available
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
10

Buffer Solution, pH 8.00 (Certified), Fisher Chemical™

Potassium Phosphate Monobasic/Sodium Hydroxide

Promotions are available
CAS 7732-18-5
Health Hazard 3 Emergency Overview
Irritating to eyes and skin. 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. Obtain medical attention. 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:2
Flammability:0
Instability:0
MDL Number MFCD00147253
Health Hazard 2 WARNING!
Traceability to NIST Traceable to NIST.
Physical Form Liquid
pH 8.0
Chemical Name or Material Buffer Solution, pH 8.00
Grade Certified
Identification Pass Test
ChemAlert Storage Symbol Gray
11

Tris Base (White Crystals or Crystalline Powder/Molecular Biology), Fisher BioReagents™

CAS: 77-86-1 Molecular Formula: C4H11NO3 Molecular Weight (g/mol): 121.136 InChI Key: LENZDBCJOHFCAS-UHFFFAOYSA-N Synonym: Trimethylol Aminomethane,Tris(hydroxymethyl)aminomethane,2-Amino-2-(hydroxymethyl)-1,3-propanediol,THAM,Tris base,Trometamol PubChem CID: 6503 ChEBI: CHEBI:9754 IUPAC Name: 2-amino-2-(hydroxymethyl)propane-1,3-diol SMILES: C(C(CO)(CO)N)O

Promotions are available
PubChem CID 6503
CAS 77-86-1
Molecular Weight (g/mol) 121.136
ChEBI CHEBI:9754
SMILES C(C(CO)(CO)N)O
Synonym Trimethylol Aminomethane,Tris(hydroxymethyl)aminomethane,2-Amino-2-(hydroxymethyl)-1,3-propanediol,THAM,Tris base,Trometamol
IUPAC Name 2-amino-2-(hydroxymethyl)propane-1,3-diol
InChI Key LENZDBCJOHFCAS-UHFFFAOYSA-N
Molecular Formula C4H11NO3
12

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

Potassium Phosphate Monobasic/Sodium Hydroxide

Promotions are available
Color Colorless
Traceability to NIST Traceable to NIST.
Physical Form Liquid
Chemical Name or Material Buffer Solution, pH 7.00
Grade Certified
Identification Pass Test
ChemAlert Storage Symbol Gray
Density 1.003g/cm³
Vapor Pressure 14mmHg at 20°C
CAS 7732-18-5
MDL Number MFCD00134130
pH 7.00
Synonym Chlorine Titrimeter Reagent
Melting Point 0°C
13

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

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

Promotions are available
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
14

PBS, Phosphate Buffered Saline, 1X Solution, pH 7.4, Fisher BioReagents™

Promotions are available
Content And Storage Room temperature
Form Liquid
Packaging Type Poly Cube
pH 7.3 to 7.5
Melting Point 0°C
15

TE Buffer, Tris-EDTA, 1X Solution, pH 7.4, Molecular Biology, Fisher BioReagents™

Tris-EDTA (TE) is routinely used for suspending nucleic acid samples.

Promotions are available
Color Colorless
Physical Form Liquid
Chemical Name or Material Tris-EDTA
Grade Molecular Biology
DNase DNase free
Filtered Through Filtered through a 5-micron filter.
ChemAlert Storage Symbol Gray
Name Note 1X Solution, pH 7.4
CAS 7732-18-5
Protease Protease free
Health Hazard 3 May cause eye, skin, and respiratory tract irritation. Avoid contact with skin and eyes. Do not breathe dust. Do not breathe vapors or spray mist.
Health Hazard 2 CAUTION!
pH 7.4 to 8.1
Synonym TE
Recommended Storage RT