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Inorganic Standards for Analysis
Check out ISO 17025/ISO Guide 34-accredited inorganic standards.
Organic Standards for Analysis
Check out ISO 17025/ISO Guide 34-accredited organic standards.
Save Time with Custom Standards
Create standards using the SPEX CertiPrep™ custom certified reference material program.
Featured Products
SPEX CertiPrep Heavy Metals and Minerals Testing Kits Flier
Shop kits that include SPEX CertiPrep standards and Fisher Chemical acids for heavy metals and minerals testing.
SPEX CertiPrep Industrial Hygiene Filters Flier
Shop matrix-matched standards designed for industrial hygiene and air monitoring programs.
Tired of Mixing Your Own Standards? Flier
Let SPEX CertiPrep save you time. Our chemists can design the most compatible standards for your lab.
Certified Reference Material Maker Flier
SPEX CertiPrep is an accredited reference material producer of organics, buffers and standards.
More Resources
Custom Organic and Inorganic Standards Flier
SPEX CertiPrep chemists can save you time by creating custom organic or inorganic standards that meet your specifications.
USP <232> and USP <233> Impurities Flier
Let SPEX CertiPrep inorganic reference materials keep your pharmaceutical lab USP-/ICH-compliant.
Fusion Fluxes and Additives Flier
Prepare oxides, sulfides, fluorides, feroalloys and other metals with no dust to clog your instruments.
- Fusion Fluxes and Additives Flier (914.2 KB)
SPEX Organics Pesticide Standards Flier
Over 2,000 different single-component standards or custom designs make pesticide testing easier.
About Spex
Spex is a market leader of high quality, innovative inorganic and organic certified reference materials, sample preparation equipment, and supplies for a diverse range of analytical techniques. Our products are used in pharma, biomedical, food, beverage, and botanicals laboratories worldwide. Our commitment to our customers is to satisfy their increasing requirements for the highest quality of product, delivery, and service.