Until June 2017, McGill chemistry users do not have to pay for instrument use, but must schedule use with their supervisors or with Robin. However, effective May 9, cryogens and tubes will be charged for at cost. The approximate cost is as follows:

Item Cost
EPR tube (4 mm diameter, 25 mm long, Wilmad 707-SQ-250M) $12
EPR quartz capillary $2.50
Liquid nitrogen $0.75/L or $6/hour (as appropriate)
Nitrogen gas $1.50/100 psi

We can order helium for you with at least one week notice or you can order it yourself.