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Thermo Scientific™ Nalgene™ Oak Ridge High-Speed Centrifuge Tubes Available on GSA/VA Contract for Federal Government customers only.

Conduct high-speed centrifugation of aggressive chemicals with these tubes, suited for chloroform and phenol extractions in refrigerated machines up to 50,000 x g.

Manufacturer:  Thermo Scientific™ 31140050

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Catalog No. 05-562-16B

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Note: Must be filled to 100% of total capacity for centrifugation



Conduct high-speed centrifugation of aggressive chemicals with Thermo Scientific™ Nalgene™ Oak Ridge High-Speed Centrifuge Tubes, specifically suited for chloroform and phenol extractions in refrigerated machines up to 50,000 x g.

  • Teflon™ FEP, Tefzel™ ETFE screw closure
  • Withstand temperatures from -100° to +150°C (-148° to +302°F)
  • Leakproof† Tefzel™ ETFE closures prevent material loss under ordinary use for most spins <10,000 x g
  • Sealing caps available for 30mL and 50mL size to assure leakproof service especially at high speeds >10,000 x g or when spinning hazardous materials
  • Autoclavable/Biohazard/Leakproof†/PTFE FEP

Ordering Information:

Optional sealing caps available — DS3131-0020 (for 30mL tube) and DS3131-0024 (for 50mL tube). Cat. No. 3114-0050 has a brim capacity of only 42mL but is designed to fit standard rotor.


Tefzel ETFE screw caps. Additional sealing cap assembly available separately (DS3131-series).

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Screw Cap
Tefzel ETFE
50,000 x g
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Disclaimer to internal research use restriction: Any restrictions on the purchaser to utilize the product(s) for internal research purposes only does not apply to the product(s) on the web pages associated with this statement. † The term “leakproof” applies to Thermo Scientific Nalgene products that meet the following criteria: a) Bottle/flask/funnel closure systems with closures smaller than 100mm, after they are filled with water, inverted, withstand air pressure of 2psig for 2 minutes, and no water escapes;. b) Bottle/funnel/flask closure systems of larger than 100mm after they are filled with water, inverted for 15 minutes, and no water escapes. Note: these tests, using other liquids, may not yield the same results. To ensure safe usage, customers are advised to test Thermo Scientific Nalgene bottles and closures under conditions of their planned applications. Thermo Scientific Nalgene products are leakproof at ambient temperature and pressure when used with their Nalgene closures.