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Inorganic Standards for Analysis

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

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Organic Standards for Analysis

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

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Certified pH Buffers

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Fusion Fluxes and Additives

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USP 232 & USP 233 Products

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Speciation Standards

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Products

Calibration Standard 2A without Mercury For ICP/MS, SPEX CertiPrep™

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

BTEX Standard, SPEX CertiPrep™

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

ICP-MS Mercury Single Element Standard, SPEX CertiPrep™

Chemical Name or Material: Mercury Standard CAS: 7439-97-6 CAS Min %: 0.1 CAS Max %: 0.1 CAS: 7697-37-2 CAS Min %: 10.0 CAS Max %: 10.0 CAS: 7732-18-5 CAS Min %: 89.9 CAS Max %: 89.9 Purity Grade: Trace ICP/ICP-MS Grade

GC/MS Tuning Standard, 4-Bromofluorobenzene, SPEX CertiPrep™

Chemical Name or Material: 4-Bromofluorobenzene Name Note: USEPA Method 524.2, 8240B, CLP Methods CAS: 460-00-4 CAS Min %: 0.1 CAS Max %: 0.1 CAS: 67-56-1 CAS Min %: 99.9 CAS Max %: 99.9

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

Chemical Name or Material: Iron Standard For Use With (Equipment): AA, ICP, ICP/MS, IC, XRF, and other analytical instrumentation

Lithium Tetraborate/Lithium Bromide (99.5%/0.50%) Fusion Flux Pure Crystal For Sample Preparation, SPEX CertiPrep™

Chemical Name or Material: Lithium Tetraborate/Lithium Bromide Name Note: Fusion Flux Purity Grade: Pure

BTEX Standard Formulations, High Level, SPEX CertiPrep™

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

2-Hexanone, SPEX CertiPrep™

Chemical Name or Material: 2-Hexanone CAS: 591-78-6 CAS Min %: 0.1 CAS Max %: 0.1 CAS: 67-56-1 CAS Min %: 99.9 CAS Max %: 99.9

Nitrate-Nitrogen Standard For Ion Chromatography, SPEX CertiPrep™

Name Note: For Ion Chromatography CAS: 7631-99-4 CAS Max %: 99.9 CAS: 7732-18-5 CAS Max %: 0.1

Alternate BTEX Standard Formulation, High Level, SPEX CertiPrep™

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

Surrogate Standard, High Level, SPEX CertiPrep™

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

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

Chemical Name or Material: Copper Standard For Use With (Equipment): AA, ICP, ICP/MS, IC, XRF, and other analytical instrumentation

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

Chemical Name or Material: Barium Standard For Use With (Equipment): AA, ICP, ICP/MS, IC, XRF, and other analytical instrumentation

Arsenic III Speciation Standard (Assurance™ Grade/For ICP-MS), SPEX CertiPrep™

Chemical Name or Material: Arsenic III Speciation Standard CAS: 7440-38-2 CAS Min %: 0.1 CAS Max %: 0.1 CAS: 7647-01-0 CAS Min %: 2.0 CAS Max %: 2.0 CAS: 7732-18-5 CAS Min %: 97.9 CAS Max %: 97.9 Purity Grade: Assurance Grade for ICP-MS

Internal Standard, 5-a-Androstane, SPEX CertiPrep™

Chemical Name or Material: 5-a-Androstane CAS: 438-22-2 CAS Min %: 0.1 CAS Max %: 0.1 CAS: 67-56-1 CAS Min %: 99.9 CAS Max %: 99.9

Sulfate Standard for Ion Chromatography, SPEX CertiPrep™

Chemical Name or Material: Sulfate Standard For Use With (Equipment): AA, ICP, ICP/MS, IC, XRF, and other analytical instrumentation

Formaldehyde, SPEX CertiPrep™

Chemical Name or Material: Formaldehyde CAS: 50-00-0 CAS Min %: 0.1 CAS Max %: 0.1 CAS: 7732-18-5 CAS Min %: 99.9 CAS Max %: 99.9

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

Chemical Name or Material: Manganese Standard For Use With (Equipment): AA, ICP, ICP/MS, IC, XRF, and other analytical instrumentation

Acrylamide, SPEX CertiPrep™

Chemical Name or Material: Acrylamide Name Note: SW-846 Method 8032A CAS: 79-06-1 CAS Min %: 0.1 CAS Max %: 0.1 CAS: 67-56-1 CAS Min %: 99.9 CAS Max %: 99.9

Multi-State Hydrocarbon Standard, Hexane-Tetratetracontane Even Alkanes, High Level, SPEX CertiPrep™

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

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

Sulfur Standard For ICP, 1000μg/mL, SPEX CertiPrep™

Name Note: For AA and ICP CAS: 7783-20-2 CAS Max %: 0.1 CAS: 7732-18-5 CAS Max %: 99.9 Purity Grade: Assurance Grade

SPEX CertiPrep™ Pesticide Mix 7

Use these Organic Certified Reference Materials for a wide range of HPLC/GC/LC applications. SPEX CertiPrep™ Pesticide Mix 7 containing 8 compounds in acetronitrile is ideal for pesticide screening, food safety and QuEChERS applications.

Iron Standard for ICP/MS, 2% HNO3, SPEX CertiPrep™

Chemical Name or Material: Iron Standard Name Note: ICP/MS CAS: 7439-89-6 CAS: 7697-37-2 CAS Max %: 0.0 CAS: 7732-18-5 CAS Max %: 98.0 Purity Grade: Claritas PPT™ Physical Form: Liquid

Mineral Oil, SPEX CertiPrep™

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

Lidocaine, SPEX CertiPrep™

Chemical Name or Material: Lidocaine CAS: 137-58-6 CAS Min %: 0.1 CAS Max %: 0.1 CAS: 67-56-1 CAS Min %: 99.9 CAS Max %: 99.9

Instrument Check Standard 2 For Ion Chromatography , SPEX CertiPrep™

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

Lithium Tetraborate (100%) Fusion Flux Pure Crystal For Sample Preparation, SPEX CertiPrep™

Chemical Name or Material: Lithium Tetraborate CAS: 12007-60-2 Physical Form: Crystalline

Uranium Standard (Depleted) For ICP/MS, Claritas PPT Grade, SPEX CertiPrep™

Chemical Name or Material: Uranium Standard (Depleted) CAS: 7440-61-1 CAS Min %: 0.1 CAS Max %: 0.1 CAS: 7697-37-2 CAS Min %: 2.0 CAS Max %: 2.0 CAS: 7732-18-5 CAS Min %: 97.9 CAS Max %: 97.9 Purity Grade: Trace ICP/ICP-MS Grade

Indium Standard, 1000μg/mL in 2-5% HNO3 (Assurance Grade), SPEX CertiPrep™

Chemical Name or Material: Indium Standard For Use With (Equipment): AA, ICP, ICP/MS, IC, XRF, and other analytical instrumentation

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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.