Funnels

Funnels assist with the easy transference of liquids or powders into containers. Typically with a wide mouth that feeds substances through the narrow stem, these devices prevent unwanted spills and maintain a clean work space. The funnels are available in specialized styles for specific laboratory applications. Many styles are compatible with filter paper or a glass frit for filtration. With the ability to channel any fine-grain or fluid material, funnels are essential tools for any environment.

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Powder funnels

Supplier: GLASWARENFABRIK KARL HECHT

Powder funnels, made of PP, translucent. For decanting powdery materials. Also suitable for liquids. Cone angle 60°.

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Separating funnels, Squibb

Supplier: witeg Labortechnik

Separatory funnels, Squibb, made of borosilicate glass 3.3, stopcock with economy PTFE-needle valve.

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Dropping funnels, cylindrical, with pressure balance

Supplier: witeg Labortechnik

Dropping funnels, cylindrical, stopcock with PTFE key and screw-thread retaling nut.

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Dropping funnels, cylindrical, with pressure balance

Supplier: witeg Labortechnik

Dropping funnels, cylindrical, made of borosilicate glass, with needle valve stopcock with PTFE-needle valve.

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Funnels, powder

Supplier: witeg Labortechnik

Powder funnels, made of DURAN® borosilicate glass 3.3, with short wide stem.

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Funnels with short stem

Supplier: SEMADENI

Funnels, made of HDPE, with smooth internal walls. Robust and strong. Multipurpose funnel for a wide variety of uses. Suspension eye for easy storage.

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Separating funnels, spherical

Supplier: witeg Labortechnik

Separatory funnel, globe (ball) shaped, made of borosilicate glass 3.3, with detachable PTFE-stopcock and PE stopper.

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Dropping funnels, spherical, without pressure balance

Supplier: witeg Labortechnik

Dropping funnels, spherical, made of borosilicate glass 3.3, stopcock with glass key. With NS cone and socket.

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Membrane filtration apparatus

Supplier: Restek

This filtration apparatus are with fritted glass support that is recommended for routine filtration of corrosive liquids and removal of particles from LC solvents. The ground joint connection eliminates phthalate contamination that can occur when using silicone or neoprene stoppers. The support base has a coarse-porosity glass frit and an integral vacuum connection, located above the drip tip to prevent contamination of the vacuum line with filtrate droplets.