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 (22,850)

Spectroscopy Standards (5,986)

General Chemistry Solutions (5,253)

Matrix Blanks and Standardization Solutions (4,373)

Life Science Buffers (3,921)

Electrochemistry Buffers (2,320)

Environmental Testing Standards (1,933)

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Karl Fischer Buffers and Reagents (481)

Isotope Standards (319)

Viscosity Standards (258)

Quality Control and Proficiency Samples (205)

Kjeldahl Buffers and Reagents (108)

Gel Filtration Standards (60)

Matrix Modifiers (29)

Osmolality Standards (12)

Smoke Point Reference (9)

Polarimetric Standards (4)

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Grade

AAS (56)
AAS Standard (11)
ACS (59)
ACS Reagent (26)
ACS/ASTM E 200/AOAC/EPA (7)
ACS/ASTM E 200/AOAC/USP Volumetric (5)
APHA/EPA (5)

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Molecular Weight (g/mol)

0.00 (1)
10.81 (14)
100.09 (33)
100.117 g/mol (1)
100.12 (1)
100.121 (1)
100.15 (1)

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Quantity

0.1 mL (1)
0.1 mol (1)
0.5 L (1)
0.5 mL (15)
0.5 mol (1)
1 Bottle (5)
1 Box (1)

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Percent Purity

≥14% (BF3) (1)
≥30% (RT) (1)
≥30% (titration) (1)
≥35% (RT) (1)
≥40% (3)
≥49% (2)
≥50% (3)

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pH

≥12 to ≤14 (6)
>11 (1)
>11.5 (3)
>12 (44)
>13 (104)
>8 (1)
<0.5 (3)

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Solvent or Matrix

#2 Diesel Fuel (12)
10% HCl (19)
10% HCl/1% HNO₃ (1)
10% HNO3 (13)
15% HCl (3)
15% HNO₃ (2)
2% HCl (29)

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Concentration

≈0.000027 M (3)
≈0.0035 M (3)
≥30% (1)
≤0.1% in nitric acid (1)
≤2.5% KCl (T) (8)
0.00017 M (3)
0.001 M KCl (1)

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Physical Form

Aqueous Solution (30)
Capsule (11)
Chemvelope (1)
Clear Liquid (1)
Clear Liquid at 20°C (2)
Crystalline (17)
Crystalline Powder (143)

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Technique

AA (472)
Acidimetry (3)
Calibrating the absorbance of spectrophotometers (1)
Calibration (7)
Calibration and Matrix Spikes (1)
Calibration and Verification (16)
Calibration and Verification of Kinematic and Dynamic Viscosity Test (15)

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Solution Type

Antigen Retrieval Reagent (1)
Aqueous (2)
Buffer (432)
Buffer, Storage (2)
Calibration (8)
Cleaning (1)
Colored pH Buffer (35)

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391 – 405 of 43,773 results

391

hydrogen chloride, 4N solution in 1,4-dioxane, AcroSeal™

CAS: 7647-01-0 | ClH | 36.46 g/mol

Pricing & Availability
Specifications

Linear Formula	HCl
Molecular Weight (g/mol)	36.46
ChEBI	CHEBI:17883
InChI Key	VEXZGXHMUGYJMC-UHFFFAOYSA-N
Density	1.0500g/mL
PubChem CID	313
Name Note	4N solution in 1, 4-dioxane
Formula Weight	36.45
Color	Colorless to White
Physical Form	Crystals or Crystalline Powder
Chemical Name or Material	Hydrochloric acid
SMILES	Cl
Merck Index	14, 4794
Concentration	3.95 to 4.40N
CAS	123-91-1
Health Hazard 3	GHS P Statement: Wear eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF SWALLOWED: rinse mouth. Do NOT induce vomiting. Immediately call a POISON CENTER or doctor/physician. Use personal protective equipment as required. IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing. Avoid breathing dust/fume/gas/mist/vapors/spray. Keep container tightly closed. IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell. Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Ground/Bond container and receiving equipment. WARNING: The information provided on this web site was developed in compliance with European Union (EU) regulations and is correct to the best of our knowledge, information and belief at the date of its publication. The information given is designed only as a guide for safe handling and use. It is not to be considered as either a warranty or quality specification.
MDL Number	MFCD00011324 MFCD00792839
Health Hazard 2	GHS H Statement: Causes severe skin burns and eye damage. Suspected of causing cancer. Toxic if inhaled. Highly flammable liquid and vapor. May form explosive peroxides. Repeated exposure may cause skin dryness or cracking.
Flash Point	17°C
Packaging	AcroSeal™ Glass Bottle
Solubility Information	Solubility in water: soluble. Other solubilities: soluble in most organic solvents
Health Hazard 1	Danger
Synonym	hydrochloric acid,hydrogen chloride,muriatic acid,chlorohydric acid,acide chlorhydrique,chlorwasserstoff,spirits of salt,hydrogen chloride hcl,anhydrous hydrochloric acid,chloorwaterstof
IUPAC Name	hydrogen chloride
Molecular Formula	ClH
Specific Gravity	1.05

392

Hydrogen peroxide, 35% w/w aq. soln., stab.

CAS: 7722-84-1 Molecular Formula: H2O2 MDL Number: MFCD00011333 InChI Key: MHAJPDPJQMAIIY-UHFFFAOYSA-N Synonym: oxydol,perhydrol,superoxol,interox,hydrogen dioxide,inhibine,peroxaan,albone,hioxyl,kastone PubChem CID: 784 ChEBI: CHEBI:16240 IUPAC Name: hydrogen peroxide SMILES: OO

Pricing & Availability
Specifications

PubChem CID	784
CAS	7722-84-1
ChEBI	CHEBI:16240
MDL Number	MFCD00011333
SMILES	OO
Synonym	oxydol,perhydrol,superoxol,interox,hydrogen dioxide,inhibine,peroxaan,albone,hioxyl,kastone
IUPAC Name	hydrogen peroxide
InChI Key	MHAJPDPJQMAIIY-UHFFFAOYSA-N
Molecular Formula	H2O2

393

Tris-HCl, 1M Solution, pH 8.0, Molecular Biology Grade, Ultrapure

CAS: 1185-53-1 Molecular Formula: C4H12ClNO3 Molecular Weight (g/mol): 157.594 InChI Key: QKNYBSVHEMOAJP-UHFFFAOYSA-N PubChem CID: 93573 IUPAC Name: 2-amino-2-(hydroxymethyl)propane-1,3-diol;hydrochloride SMILES: C(C(CO)(CO)N)O.Cl

Pricing & Availability
Specifications

PubChem CID	93573
CAS	1185-53-1
Molecular Weight (g/mol)	157.594
SMILES	C(C(CO)(CO)N)O.Cl
IUPAC Name	2-amino-2-(hydroxymethyl)propane-1,3-diol;hydrochloride
InChI Key	QKNYBSVHEMOAJP-UHFFFAOYSA-N
Molecular Formula	C4H12ClNO3

394

BD BBL™ Prepared Saline Solution

Pricing & Availability

395

Buffer Solution, pH 10, Color-coded blue, Certified

Pricing & Availability
Specifications

Absorbance	Pass Test
Name Note	Traceable to NIST
pH	9.98 to 10.02
Chemical Name or Material	Buffer solution, pH 10.00
Grade	Certified
Identification	Pass Test

396

TE Buffer, 1X Solution pH 8.0, Low EDTA, Molecular Biology Grade

Pricing & Availability
Specifications

PubChem CID	93573
CAS	1185-53-1
Molecular Weight (g/mol)	157.594
SMILES	C(C(CO)(CO)N)O.Cl
IUPAC Name	2-amino-2-(hydroxymethyl)propane-1,3-diol;hydrochloride
InChI Key	QKNYBSVHEMOAJP-UHFFFAOYSA-N
Molecular Formula	C4H12ClNO3

397

Cyanide Standard, Certified, 1000ppm ±10ppm (1mL = 1mg CN^-), LabChem™

CAS: 151-50-8 Molecular Formula: CKN Molecular Weight (g/mol): 65.116 InChI Key: NNFCIKHAZHQZJG-UHFFFAOYSA-N PubChem CID: 9032 IUPAC Name: potassium;cyanide SMILES: [C-]#N.[K+]

Pricing & Availability
Specifications

PubChem CID	9032
CAS	151-50-8
Molecular Weight (g/mol)	65.116
SMILES	[C-]#N.[K+]
IUPAC Name	potassium;cyanide
InChI Key	NNFCIKHAZHQZJG-UHFFFAOYSA-N
Molecular Formula	CKN

398

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

for Fluoride Analysis using Ion Selective Electrodes

Pricing & Availability

399

MOPS sodium salt, 98%

CAS: 71119-22-7 Molecular Formula: C7H14NNaO4S Molecular Weight (g/mol): 231.242 MDL Number: MFCD00064350 InChI Key: MWEMXEWFLIDTSJ-UHFFFAOYSA-M Synonym: 3-(4-Morpholino)propanesulfonic acid sodium salt PubChem CID: 3859613 IUPAC Name: sodium;3-morpholin-4-ylpropane-1-sulfonate SMILES: C1COCCN1CCCS(=O)(=O)[O-].[Na+]

Pricing & Availability
Specifications

PubChem CID	3859613
CAS	71119-22-7
Molecular Weight (g/mol)	231.242
MDL Number	MFCD00064350
SMILES	C1COCCN1CCCS(=O)(=O)[O-].[Na+]
Synonym	3-(4-Morpholino)propanesulfonic acid sodium salt
IUPAC Name	sodium;3-morpholin-4-ylpropane-1-sulfonate
InChI Key	MWEMXEWFLIDTSJ-UHFFFAOYSA-M
Molecular Formula	C7H14NNaO4S

400

Ricca Chemical Company Fluoride Standard, 0.1 ppm F^- (Premixed with TISAB), Ricca Chemical

CAS: 7681-49-4 Molecular Formula: FNa Molecular Weight (g/mol): 41.99 MDL Number: MFCD00003524 InChI Key: PUZPDOWCWNUUKD-UHFFFAOYSA-M PubChem CID: 5235 ChEBI: CHEBI:28741 IUPAC Name: sodium fluoride SMILES: [F-].[Na+]

Pricing & Availability
Specifications

PubChem CID	5235
CAS	7681-49-4
Molecular Weight (g/mol)	41.99
ChEBI	CHEBI:28741
MDL Number	MFCD00003524
SMILES	[F-].[Na+]
IUPAC Name	sodium fluoride
InChI Key	PUZPDOWCWNUUKD-UHFFFAOYSA-M
Molecular Formula	FNa

401

Ricca Chemical Company Turbidity Standard, 100 NTU, Formazin, Ricca Chemical

CAS: 100-97-0 Molecular Formula: C6H12N4 Molecular Weight (g/mol): 140.19 InChI Key: VKYKSIONXSXAKP-UHFFFAOYSA-N PubChem CID: 4101 ChEBI: CHEBI:6824 SMILES: C1N2CN3CN1CN(C2)C3

Pricing & Availability
Specifications

PubChem CID	4101
CAS	100-97-0
Molecular Weight (g/mol)	140.19
ChEBI	CHEBI:6824
SMILES	C1N2CN3CN1CN(C2)C3
InChI Key	VKYKSIONXSXAKP-UHFFFAOYSA-N
Molecular Formula	C6H12N4

402

Promotions Available

Tris-Glycine, 10X Solution (Electrophoresis), Fisher BioReagents™

Pricing & Availability
Specifications

Color	Undesignated
Physical Form	Liquid
Chemical Name or Material	Tris-Glycine
Grade	Electrophoresis
DNase	DNase free
Filtered Through	Filtered through a 0.2-micron filter.
ChemAlert Storage Symbol	Gray
Name Note	10X Solution
Concentration or Composition (by Analyte or Components)	Components: Tris (2-3%) and Glycine (13-14%). 0.25M Tris Base and 1.92M Glycine.
CAS	56-40-6
Protease	Protease free
Synonym	TG
Purity Grade Notes	DNase-, RNase- and Protease-Free
Recommended Storage	RT

403

Total Organic Carbon (TOC), standard solution, Specpure™ 1000μg/mL

KHC₈H₄O₄ in H₂O

Pricing & Availability
Specifications

Name Note	1000μg/mL
Solubility	Miscible with water
Color	Colorless
MDL Number	MFCD00133992
Physical Form	Liquid
Chemical Name or Material	Total Organic Carbon
TSCA	Yes
Recommended Storage	Ambient temperatures
Molecular Formula	KHC₈H₄O₄ in H₂O
Odor	Characteristic

404

Osmometer Calibration Standard Solution, 2000 milliosmoles, PSi Precision Systems Inc™

Pricing & Availability

405

Restek Corporation DCAA methyl ester (2,4-dichloro phenyl acetic acid methyl ester), Restek

Pricing & Availability

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Buffers and Standards

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Cyanide Standard, Certified, 1000ppm ±10ppm (1mL = 1mg CN-), LabChem™ GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More

Ricca Chemical Company Total Ionic Strength Adjustment Buffer (TISAB II), with CDTA, Fisherbrand Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Ricca Chemical Company Fluoride Standard, 0.1 ppm F- (Premixed with TISAB), Ricca Chemical Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Ricca Chemical Company Turbidity Standard, 100 NTU, Formazin, Ricca Chemical Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Tris-Glycine, 10X Solution (Electrophoresis), Fisher BioReagents™ GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More

Restek Corporation DCAA methyl ester (2,4-dichloro phenyl acetic acid methyl ester), Restek Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Cyanide Standard, Certified, 1000ppm ±10ppm (1mL = 1mg CN^-), LabChem™

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

Ricca Chemical Company Fluoride Standard, 0.1 ppm F^- (Premixed with TISAB), Ricca Chemical

Ricca Chemical Company Turbidity Standard, 100 NTU, Formazin, Ricca Chemical

Tris-Glycine, 10X Solution (Electrophoresis), Fisher BioReagents™

Restek Corporation DCAA methyl ester (2,4-dichloro phenyl acetic acid methyl ester), Restek