Your Science Is Our Passion

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.

Upcoming Events

View All Events
Jul 26, 2020 – Jul 29, 2020
Fort Lauderdale, FL
Aug 03, 2020 – Aug 07, 2020
Minneapolis, MN
BMSS Annual Meeting
Sep 08, 2020 – Sep 10, 2020
Sheffield, UK
AOAC International
Sep 11, 2020 – Sep 17, 2020
Orlando, FL
Oct 05, 2020 – Oct 08, 2020
Louisville, KY
ACIL Annual Meeting
Oct 12, 2020 – Oct 15, 2020
Long Beach, CA
Analytica China
Nov 16, 2020 – Nov 18, 2020
Shanghai, China

Featured Videos

View All Videos

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.
Watch Video

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...
Watch Video

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...
Watch Video

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....
Watch Video

Latest News

View All News

Webcast - Limiting Laboratory Exposure: A Chemist's Guide to the COVID-19 Outbreak
Posted 3/30/2020 | Event Overview: Many chemists and scientists are considered essential personnel during the COVID-19 outbreak.  While many chemists understand the nature of clean lab techniques,...
Read more

Patricia Atkins, Senior Application Scientist, published in Cannabis Science and Technology
Posted 3/27/2020 | Debugging the System: Understanding Pests, Pest Control and Pesticides Abstract / Synopsis:  The reduction of crop loss from pest damage is often one...
Read more

Introducing SPEX CertiPrep's Alcohol and Tobacco Brochure
Posted 3/27/2020 | SPEX CertiPrep's Alcohol and Tobacco Brochure contains all of the standards you need for Tobacco and Humectants, Flavor Compounds, Pesticides and Alcohol testing.  Click...
Read more

SPEX Speaks Science Podcast
Posted 3/27/2020 | SPEX Speaks Science is hosted by a rotating cast of chemists and industry experts. From highlighting the hidden chemistry in our everyday lives to discussing...
Read more

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.