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Comparison of Assurance (ICP) and Claritas (ICP-MS) Standards
  Assurance <sup>®</sup> Standards Claritas PPT <sup>®</sup> Standards
Designed for Use With AA / ICP ICP / ICP-MS
Analytical Range for Use PPM, PPB PPB, PPT
Single Standards
1 mg/L  
10 mg/L  
1,000 mg/L
10,000 mg/L  
Multi-Element Standards
Custom Standards
ISO 9001:2015
ISO 17025:2005
ISO 17034:2016
Traceable by NIST SRM
Acid Grade High Purity Ultra High Purity
# Trace Impurities Measured on
Certificate of Analysis
68 68
Trace Impurities Measured to µg/L µg/L


AA and ICP-AES Assurance® Grade CRMs are available in single and multi-element formulations. Over 70 single-element standards are available at 1,000 and/or 10,000 ppm. Multi-element standards include: calibration test solutions, instrument performance standards, drinking water metals, and interference check standards. Custom blends can be manufactured upon request.


ICP-MS Claritas PPT® Grade CRMs are designed for ICP-MS and can also be used in ICP-OES analysis. They are available in single and multi-element solutions. The standards are at 1 or 1,000 ppm and packaged in 125 mL bottles to minimize contamination. They are made using high purity acids, the highest grade starting materials, and a high purity water to minimize contaminants. A one step dilution to PPB levels reduces dilution errors.

Ion Chromatography & ISE Standards [View Category]

Every Ion Chromatography Standard is prepared under our unique Triple Checked for Quality® Assurance Program with all results reported on our SPEXCertificate®. It features a full line of anion and cation single element standards available at 1000 ppm in 125 mL and 500 mL volumes.

Fusion Fluxes & Additives [View Category]

Pure and Ultra-Pure Fusion Fluxes and Additives are made from a "Micro Bead" formula to ensure the same ratio of components in each bead with no harmful dust to clog your instruments. Our Fusion Fluxes are pre-fused with additives for better accuracy. Density of 1.4 g/mL ensures flux is easier to handle and measure. Download our Fusion Flux & Addititves brochure.

Not convinced our Fusion Flux will suit your needs? Visit SPEXFusionFlux.com and request your FREE sample today!

Organometallic Oil Standards [View Category]

Organometallic Oil Standards are offered with a choice of single element or multi-element blends. Whether you are testing engine oils via ICP-AES, RDE, DCP, AA or XRF, our standards are pure and accurate to suit your needs. We offer a choice of 37 single element standards at 1,000 and 5,000 µg/g. Multi-element mixes of 5, 12, 21 and 23 elements are available and come in convenient 50 or 100 gram sizes.

Speciation Standards [View Category]

Speciation analysis covers many areas including environmental protection, and the food and drug administration. To analyze species in a sample requires certified reference materials for sample verification and method validation. Many speciation standards are available in today's market, but most of the speciation standards are not certified or analyzed with a state-of-art ICP-MS. SPEX CertiPrep is proud to offer Inorganic single-element speciation standards analyzed by ICP-MS.

Consumer Safety Standards [View Category]

New regulations are constantly enacted to protect consumers from a variety of potentially dangerous chemicals and elements. SPEX CertiPrep leads the CRM field with a full line of Consumer Safety Compliance Standards for a variety of testing regulations. These include:

Quality Control Samples [View Category]

We partner with ERA to offer Quality Control Samples. All of ERA's QC samples have been tested in-house with the USEPA, NIST, NELAC and ISO protocols to ensure accuracy, homogeneity and stability.

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  • Promo code valid on Organic and Inorganic products.
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