Certain features of will be down for maintenance Saturday afternoon/evening, February 24th starting at 3:00 pm CT until 9:00 pm CT.

Please note that you still have telephone and email access to our local offices. We apologize for any inconvenience.


U.S. Pharmacopeial Convention (USP) methods typically cover pharmaceutical products. USP codes and recommended Supelco capillary GC columns are:
  • G1: Equity-1, SPB-1
  • G2: Equity-1, SPB-1
  • G3: SPB-50, SP-2250
  • G5: SP-2340, SP-2560
  • G7: SPB-225
  • G8: SP-2330
  • G9: Equity-1, SPB-1
  • G16: Omegawax, SUPELCOWAX 10
  • G18: PAG
  • G19: SPB-225
  • G25: SPB-1000, Nukol
  • G27: SLB-5ms, Equity-5, SPB-5
  • G32: SPB-20
  • G35: SPB-1000, Nukol
  • G36: SLB-5ms, Equity-5, SPB-5
  • G42: SPB-35
  • G43: SPB-624, OVI-G43
  • G46: Equity-1701
  • G48: SP-2380