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Certain features of Sigma-Aldrich.com will be down for maintenance the evening of Friday August 18th starting at 8:00 pm CDT until Saturday August 19th at 12:01 pm CDT.   Please note that you still have telephone and email access to our local offices. We apologize for any inconvenience.

Certified Vials

Certified "to fit" Vials
Our new certified vial, cap and septa products eliminate "fit" and septa contamination concerns associated with other brands. By taking these extra manufacturing and testing steps, we can ensure:
  • Caps thread properly onto vials, providing an air-tight seal
  • Syringe needles are not damaged by irregular vial bottom thickness
  • Minimal contamination from septa impurities

Quality is built into each component of the Supelco certified vial system.
Our certified glass and polypropylene vials are manufactured to the strictest physical specifications possible. Each lot of vials is examined to ensure there are no inconsistencies in the vial height, thickness, and neck thread. Glass vials are produced from Type 1 borosilicate glass tubing (clear glass from 33 expansion glass, amber glass from 51 expansion), while our polypropylene vials are manufactured from virgin resins to eliminate the possibility of sample contamination.

Septa
The PTFE/silicone and modified PTFE/silicone septa are manufactured, conditioned and then tested by GC/MS to ensure the septa have the lowest level of extractables in the industry.

Closures/Caps
Plastic components are manufactured using virgin resins to eliminate the possibility of sample contamination. Caps are molded to ensure consistency in fit, thread specifications and overall dimensions.

Autosampler compatibility:
Agilent 1050/1090A, 1100/1200, 7673A/7683, 5890/7985A/6890
Hitachi AS-1000, AS-2000, AS-4000, L7200/L7250
LEAP Technologies: CTC LC PAL, GC PAL, CombiPAL, HTC PAL/HTS PAL
PerkinElmer: Autosystem/AS-2000/XL, Clarus 500/600, ISS-100, 200
Shimadzu LC Autosamplers: SIL-HTa/SIL-HTc, SIL-10ADVP, SIL-10A-SIL-10Ai/SIL-10Ap
Varian: CP-8410, 8100/8200, 9100/9090, 9095
Waters: Alliance 2690, Acquity, Breeze, 717Plus