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Supplier: VWR International
Description: These black rubber, one-hole stoppers are specifically designed to fit 500 and 800 mL Kjeldahl nitrogen determination flasks.

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Supplier: Ace Glass
Description: This media storage flask is used for sterile dispensing; use with an aseptic filling bell

Small Business Enterprise Product available on GSA Advantage®

Supplier: Ace Glass
Description: Flasks feature a standard taper joint on the side arm in the vertical position

Small Business Enterprise Product available on GSA Advantage®

Supplier: Kemtech America
Description: Storage flasks are equipped with a high vacuum valve that features a PTFE O-ring at the tip.

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Supplier: Kemtech America
Description: Flasks are available with a choice of either 2 mm glass stopcock, 2 mm PTFE stopcock, or 0 to 4 mm high vacuum valve.

Small Business Enterprise Minority or Woman-Owned Business Enterprise

Supplier: Kemtech America
Description: Storage tubes are equipped with a high vacuum valve that features a PTFE O-ring at the tip.

Small Business Enterprise Minority or Woman-Owned Business Enterprise

Supplier: Ace Glass
Description: Used for storage, but may also be used for simple reactions

Small Business Enterprise Product available on GSA Advantage®

Supplier: Ace Glass
Description: Round bottom borosilicate glass flask with standard taper center neck and a 0-4 Hi-Vac valve for precise control

Small Business Enterprise Product available on GSA Advantage®

Supplier: Ace Glass
Description: Cylindrical shaped flask/tube is designed for storage or reactions for air sensitive compounds

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Supplier: Ace Glass
Description: Schlenk style reaction tube is designed for vacuum and No-Air applications

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Supplier: Ace Glass
Description: Schlenk filter tubes feature an integral glass filter disc at the tube's mid-line and two sidearms with either a glass stopcock or a 0-3 inlet valve

Small Business Enterprise Product available on GSA Advantage®

Supplier: Kemtech America
Description: Storage tubes are equipped with a high vacuum valve that features a PTFE O-ring at the tip, and a PTFE wiper to protect the Viton® O-ring on the shaft.

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Supplier: Corning
Description: Flask only. For condenser only, see No. 2540, size 200 mm, 19/38 joint. Used for determining nitrogen in organic compounds. This assembly includes a kjeldahl flask specifically developed for this process.
Supplier: SP Industries
Description: These dewar flasks provide a convenient alternative to VT systems for studies at 77 K.

Supplier: Pope Scientific
Description: These flasks are manufactured for use with liquid nitrogen (LN<sub>2</sub>) and ideal for use with liquid gases

Small Business Enterprise Minority or Woman-Owned Business Enterprise

Supplier: Electron Microscopy Sciences
Description: Thermo-Flask provides safe extended temperature retention for specimens stored in liquid nitrogen or solid CO<sub>2</sub>. The flasks features borosilicate glass inner liners which have been evacuate to 1 x 10 – 5 mm of Hg to provide maximum coolant retention.

Minority or Woman-Owned Business Enterprise

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Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us at 1-800-932-5000.
Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us at 1-800-932-5000.
This product is marked as restricted and can only be purchased by approved Shipping Accounts. If you need further assistance, email VWR Regulatory Department at Regulatory_Affairs@vwr.com
-Additional Documentation May be needed to purchase this item. A VWR representative will contact you if needed.
This product has been blocked by your organization. Please contact your purchasing department for more information.
The original product is no longer available. The replacement shown is available.
This product is no longer available. Alternatives may be available by searching with the VWR Catalog Number listed above. If you need further assistance, please call VWR Customer Service at 1-800-932-5000.
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