Please submit a new form for each custom air reference materials you wish to request.
compound: Component(s) which will make up the reference mix (example: dimethyl sulfide, formaldehyde, etc.)
CAS#: Chemical abstract services registry number.
concentration: ppm (parts per million), ppb (parts per billion) or percent.
PLEASE NOTE: Custom Restek® products (i.e., non-stocked, non-catalog items) that meet the requested product specifications are not returnable or refundable. Be sure to check the product specifications in your quote request before submitting. Also re-check the specifications in your sales quote before placing your order. If you have any questions, contact Restek or your local Restek® representative.