SPEX CertiPrep

spex-certiprep-banner spex-certiprep-banner-m
Featured Products

Top Categories

inorganic-standards

Inorganic Standards for Analysis

Check out ISO 17025/ISO Guide 34-accredited inorganic standards.

Shop IC
Shop ICP
Shop ICP-MS

organic-standards

Organic Standards for Analysis

Check out ISO 17025/ISO Guide 34-accredited organic standards.

Shop GC/GC-MS
Shop HPLC/LC-MS

custom-standards

Save Time with Custom Standards

Create standards using the SPEX CertiPrep™ custom certified reference material program.

Learn More


Featured Products

Certified pH Buffers

spex-certiprep-ph-buffer-featured

Fusion Fluxes and Additives

spex-certiprep-fusion-flux-featured

USP 232 & USP 233 Products

spex-certiprep-usp-products-featured

Speciation Standards

spex-certiprep-speciation-standards-featured
Products

SPEX™ SamplePrep Disposable XRF X-Cell™ Sample Cups

Permit fast XRF analysis of liquid samples.

SPEX™ SamplePrep 2010 Geno/Grinder™

Versatile high-throughput plant and animal tissue homogenizer/cell lyser with a unique vigorous up-and-down grinding/pulverizing action

SPEX™ SamplePrep 6870 Freezer/Mill™

Large cryogenic impact grinder with self-contained liquid nitrogen tub and insulated case

SPEX™ SamplePrep 8000M Mixer/Mill™

A high-energy ball mill, shaker mill, or laboratory grinder used to grind, pulverize, or mix samples to analytical fineness

SPEX™ SamplePrep 8000D Dual Mixer/Mill™

Efficient two-clamp laboratory mill for pulverizing hard, brittle samples

Silicon Standard For ICP, 1000μg/mL in H2O/0.24 F, Assurance Grade, SPEX CertiPrep™

CAS: 16919-19-0 Molecular Formula: F6H8N2Si Molecular Weight (g/mol): 178.153 InChI Key: ITHIMUMYFVCXSL-UHFFFAOYSA-P PubChem CID: 28145 IUPAC Name: diazanium;hexafluorosilicon(2-) SMILES: [NH4+].[NH4+].F[Si-2](F)(F)(F)(F)F

Alternate BTEX Standard Formulation, High Level, SPEX CertiPrep™

ISO/IEC Guide 34 Certified, NIST-Traceable Certified Reference Material

Calcium Standard For ICP, 1000μg/mL in 2% HNO3, Assurance Grade, SPEX CertiPrep™

CAS: 7440-70-2 Molecular Formula: Ca Molecular Weight (g/mol): 40.078 InChI Key: OYPRJOBELJOOCE-UHFFFAOYSA-N PubChem CID: 5460341 ChEBI: CHEBI:29320 IUPAC Name: calcium SMILES: [Ca]

SPEX™ SamplePrep Dual Freezer/Mill 115V/60HZ

The 6875D Freezer/Mill is a high-throughput, dual chamber cryogenic grinder that chills samples in liquid nitrogen that chills samples in liquid nitrogen then pulverizes them with a magnetically driven impactor.

Magnesium Standard For ICP, 1000μg/mL in 2% HNO3, Assurance Grade, SPEX CertiPrep™

CAS: 7439-95-4 Molecular Formula: Mg Molecular Weight (g/mol): 24.305 InChI Key: FYYHWMGAXLPEAU-UHFFFAOYSA-N PubChem CID: 5462224 ChEBI: CHEBI:25107 IUPAC Name: magnesium SMILES: [Mg]

SPEX™ SamplePrep Stainless-Steel Grinding Balls: Dispenser

Accessory for use with Geno/Grinder™

SPEX™ SamplePrep 8530 Enclosed Shatterbox™ Swing Mill

Swing mill with sound-proof enclosure that accommodates sample sizes ranging from 2-100g

Lithium 6 Isotope Standard For ICP/MS, SPEX CertiPrep™

CAS: 7439-93-2 Molecular Formula: Li Molecular Weight (g/mol): 6.94 InChI Key: WHXSMMKQMYFTQS-UHFFFAOYSA-N PubChem CID: 3028194 ChEBI: CHEBI:30145 IUPAC Name: lithium SMILES: [Li]

SPEX™ SamplePrep 5100 Mixer/Mill™

Pulverizes and/or homogenizes samples of varying composition

Lithium Tetraborate/Lithium Metaborate/Lithium Bromide (34.83%/64.67%/0.50%) Fusion Flux Pure Crystal For Sample Preparation, SPEX CertiPrep™

Chemical Name or Material: Lithium Tetraborate/Lithium Metaborate/Lithium Bromide Name Note: Fusion Flux

ICP-MS Mercury Single Element Standard, SPEX CertiPrep™

CAS: 7439-97-6 Molecular Formula: Hg Molecular Weight (g/mol): 200.592 InChI Key: QSHDDOUJBYECFT-UHFFFAOYSA-N PubChem CID: 23931 ChEBI: CHEBI:16170 IUPAC Name: mercury SMILES: [Hg]

Formaldehyde, SPEX CertiPrep™

CAS: 50-00-0 Molecular Formula: CH2O Molecular Weight (g/mol): 30.026 InChI Key: WSFSSNUMVMOOMR-UHFFFAOYSA-N PubChem CID: 712 ChEBI: CHEBI:16842 IUPAC Name: formaldehyde SMILES: C=O

n-Hexacontane, SPEX CertiPrep™

CAS: 7667-80-3 Molecular Formula: C60H122 Molecular Weight (g/mol): 843.636 InChI Key: OCWUCHKZAHTZAB-UHFFFAOYSA-N PubChem CID: 24318 IUPAC Name: hexacontane SMILES: CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC

BTEX Standard Formulations, High Level, SPEX CertiPrep™

ISO/IEC Guide 34 Certified, NIST-Traceable Certified Reference Material

SPEX™ SamplePrep Disposable XRF X-Cell™ Sample Cups Window Film

Strong and durable window film. SPEX SamplePrep Disposable XRF X-Cell Sample Cups Window Film covers the cell and serves as the sample window, allowing uniform transmission of X-rays.

Barium Standard For ICP, 1000μg/mL in 2% HNO3, Assurance Grade, SPEX CertiPrep™

CAS: 7440-39-3 Molecular Formula: Ba Molecular Weight (g/mol): 137.327 InChI Key: DSAJWYNOEDNPEQ-UHFFFAOYSA-N PubChem CID: 5355457 ChEBI: CHEBI:32595 IUPAC Name: barium SMILES: [Ba]

Hydrochloric Acid Calibration and Matrix Blank For ICP/MS, SPEX CertiPrep™

CAS: 7647-01-0 Molecular Formula: ClH Molecular Weight (g/mol): 36.458 InChI Key: VEXZGXHMUGYJMC-UHFFFAOYSA-N Synonym: Muriatic Acid PubChem CID: 313 ChEBI: CHEBI:17883 IUPAC Name: chlorane SMILES: Cl

SPEX CertiPrep™ Pesticide Mix 2

Use these Organic Certified Reference Materials for a wide range of HPLC/GC/LC applications. SPEX CertiPrep™ Pesticide Mix 2 containing 15 compounds in acetronitrile is ideal for pesticide screening, food safety and QuEChERS applications.

Aluminum Standard For ICP, 1000μg/mL in 2% HNO3, Assurance Grade, SPEX CertiPrep™

CAS: 7429-90-5 Molecular Formula: Al Molecular Weight (g/mol): 26.982 InChI Key: XAGFODPZIPBFFR-UHFFFAOYSA-N PubChem CID: 5359268 ChEBI: CHEBI:33629 IUPAC Name: aluminum SMILES: [Al]

1,1,2-Trichlorotrifluoroethane, SPEX CertiPrep™

CAS: 76-13-1 Molecular Formula: C2Cl3F3 Molecular Weight (g/mol): 187.367 InChI Key: AJDIZQLSFPQPEY-UHFFFAOYSA-N PubChem CID: 6428 IUPAC Name: 1,1,2-trichloro-1,2,2-trifluoroethane SMILES: C(C(F)(Cl)Cl)(F)(F)Cl

Ammonia-Nitrogen Standard for Ion Chromatography, SPEX CertiPrep™

Chemical Name or Material: Ammonia-Nitrogen Standard CAS Min %: 0.1 CAS Max %: 0.1 CAS: 7732-18-5 CAS Min %: 99.9 CAS Max %: 99.9

Ethylene Glycol, SPEX CertiPrep™

CAS: 107-21-1 Molecular Formula: C2H6O2 Molecular Weight (g/mol): 62.068 InChI Key: LYCAIKOWRPUZTN-UHFFFAOYSA-N PubChem CID: 174 ChEBI: CHEBI:30742 IUPAC Name: ethane-1,2-diol SMILES: C(CO)O

Biodiesel Fuel Standard, SPEX CertiPrep™

CAS: 621-71-6 Molecular Formula: C33H62O6 Molecular Weight (g/mol): 554.853 InChI Key: LADGBHLMCUINGV-UHFFFAOYSA-N PubChem CID: 69310 ChEBI: CHEBI:77388 IUPAC Name: 2,3-di(decanoyloxy)propyl decanoate SMILES: CCCCCCCCCC(=O)OCC(COC(=O)CCCCCCCCC)OC(=O)CCCCCCCCC

BTEX Standard, SPEX CertiPrep™

ISO/IEC Guide 34 Certified, NIST-Traceable Certified Reference Material

  spinner

Special Offers
Resources

More Resources


spex-certiprep

About SPEX CertiPrep

Founded in 1954, SPEX CertiPrep is a leading manufacturer of certified reference materials (CRMs) and calibration standards for analytical spectroscopy and chromatography. We offer a full range of inorganic and organic CRMs. We are certified by UL-DQS for ISO 9001:2008 and are proud to be accredited by A2LA under ISO/IEC 17025:2005 and ISO/IEC Guide 34-2009. The scope of our accreditation is the most comprehensive in the industry and encompasses all our manufactured products.