Pitt Cryogenics supplies liquid helium and liquid nitrogen in several Dewar formats to researchers in the Dietrich School. Please allow at least one full business day for nitrogen orders and two full business days for helium. Any liquid helium returned in a Dewar will be credited with a full refund of the purchase cost. PIs on recovery will be credited for the liquid equilivent monthly incremental difference of the flow of helium as measured by their recovery meters. The lab is responsible for any backflow through the meters.
Questions and issues may be directed to cryogenics@pitt.edu. Are you allowed to order from Pitt Cryogenics? Find out! Contact us!
Orders should be placed through our online order form. Our current Dewar options are shown below.
| Part Number | Product | Volume | Description | Pressure rating | Matheson Equivalent |
|---|---|---|---|---|---|
| LHe-60L | Helium | 60 L | Liquid Withdrawal | 22 psi | HELIT60 |
| LHe-100L | Helium | 100 L | Liquid Withdrawal (special wide neck Dewars available upon request) | 22 psi | HELIT100 |
| LN2-100L | Nitrogen | 100 L | Liquid Withdrawal | 22 psi | NILIT100 |
| LN2-160L-HP | Nitrogen | 160 L | Gas Withdrawal | 300 psi | NIL3648 |
| LN2-240L | Nitrogen | 240 L | Liquid Withdrawal | 22 psi | NILIT240 |
Due to price increases from Matheson, as of April 1, 2023 our prices are $20.364 per liter (up from $10.40) for all helium sold or returned, and $0.4345 per liter (up from $0.3349) of nitrogen. Prices are subject to change.