Contact Information

If you have a question or comment about this site you may contact us via electronic mail at [email protected]. We recommend that you please read the notes below before contacting us.

Notes

Please do not send us general chemistry questions or homework problems. We do not have the resources to deal with these types of inquiries.
Due to the limited resources and the volume of mail we receive, it may take us a week or more to respond to your inquiry.
Please do not send us product announcements or advertising, we have no use for such information.
In order to reduce the volume of unsolicited advertising sent to the e-mail address for this site, we may have to change our e-mail address. If you wish to contact us in the future, please return to this page to see if our address has changed.

Web site owner: National Institute of Standards and Technology.