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Inorganic Standards
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Your Science Is Our Passion

Inorganic Standards
Organic Standards
Custom Products
Interactive Periodic Table
SDS

SPEX CertiPrep

 has been servicing the scientific community since 1954. We are 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 DQS to ISO 9001:2015 and are proud to be accredited by A2LA to ISO/IEC 17025:2017 and ISO 17034:2016. The scope of our accreditation is the most comprehensive in the industry and encompasses all our manufactured products.

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SPEX CertiPrep Cannabis Standards
SPEX CertiPrep offers ISO/IEC 17025 and ISO 17034 Certified Cannabis Standards. Cannabis Standards are offered for Residual Solvents, Pesticides, Terpenes and Heavy Metals.
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SPEX CertiPrep Inorganic and Organic CRMs
SPEX CertiPrep has been servicing the scientific community since 1954. We are a leading manufacturer of Certified Reference Materials (CRMs) and Calibration Standards for Analytical...
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SPEX CertiPrep Pesticide Standards
Now available, SPEX CertiPrep premixed pesticide multi-compound CRMs. Want all 144 top pesticides? We have the kit containing all of the compounds. Pesticide residue analysis...
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Arsenic and Old Lace Wings
Pesticides are now a daily part of our world from the anti-bacterial soaps we use to the commercial pesticides that are applied to our food....
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Latest News

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Patricia Atkins Interviews with Cannabis Science and Technology, Part 1
Posted 7/2/2019 | Our Senior Application Scientist, Patricia Atkins, recently sat down with Cannabis Science and Technology to discuss her work using pressurized fluid and dispersive solid extraction...
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Patricia Atkins Interviews with Cannabis Science and Technology, Part 2
Posted 7/2/2019 | Our Senior Application Scientist, Patricia Atkins, recently sat down with Cannabis Science and Technology to discuss the next steps in her Cannabis-related research and what...
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Patricia Atkins, Senior Application Scientist, published in AOAC International
Posted 4/4/2019 | Sample Processing and Preparation Considerations for Solid Cannabis Products Background: The nascent cannabis industry is often challenged by a lack of guidance, unproven methodologies and conflicting legal...
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Introducing SPEX Speaks Science Podcast
Posted 1/22/2019 | SPEX Speaks Science is the bi-weekly podcast presented by SPEX CertiPrep. Hosted by Senior Applications Scientist, Patricia Atkins, SPEX Speaks Science looks to deliver informative...
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1-800-LAB-SPEX • +1-732-549-7144
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2 Dalston Gardens • Stanmore • HA7 1BQ • Uk
+44 (0) 208 204 6656 • +44 (0) 208 204 6654
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Save 15% when you enter promo code SPRING15-16
on your next online order of $100 or more

  • Promo code valid on Organic and Inorganic products.
  • Minimum order amount is $100
  • Must enter promo code SPRING15-16 when ordering.
  • Valid on direct, US orders only.
  • Not valid on Flux, Oil Standards and ERA QC Samples.

Not valid with any other promotions. One per customer. Offer expires 6/15/2016.

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