Single-component standards offer high-quality, consistent results while saving preparation time. Select heptachlor epoxide (isomer B) standard supplied in acetone or methanol-P&T. Additional solvents include methylene chloride, benzene, hexane, acetonitrile, THF, and water. Please inquire about the matrix for a particular item when ordering, if the matrix is important to your application, a substitution may be possible.

Can’t find the standards you are looking for? Spex CertiPrep® can make custom standards to meet your exact needs. Contact us for more information at [email protected] or call us at 732-549-7144.

Chemicals sold by Cole-Parmer are not intended for and should not be (i) used for medical, surgical or other patient oriented applications, or (ii) combined with any food product or ingested in any form.

Hazardous material shipping fees may apply.