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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.
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.
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Sedimentation cones, Imhoff type
Supplier: witeg Labortechnik
Made of borosilicate glass.
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Dropping funnels, cylindrical, Quickfit®
Supplier: SciLabware
Funnel stem with ground-glass cone for flasks and assemblies. Stopcock has interchangeable glass key.
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Dropping funnels, cylindrical, without pressure balance
Supplier: SMITH SCIENTIFIC
Borosilicate glass.
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Dropping funnels, cylindrical, without pressure balance
Supplier: SciLabware
Dropping funnel, cylindrical shape, made of Pyrex® borosilicate glass, with cone and socket. Stopcock with interchangeable PTFE key.
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Separating funnels, Squibb, HDPE stopper, PTFE stopcock
Supplier: Hach
Pear-shaped (Squibb) glass separatory funnel with PTFE stopcock and HDPE stopper.
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Separating funnels, Squibb, with PTFE key
Supplier: SMITH SCIENTIFIC
Borosilicate glass, with plastic stopper.
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Membrane filter funnels, Microfil
Supplier: Hach
Mixed-cellulose ester, white, gridded.
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WHEATON® Filtration Assembly with Stainless Steel Support and No. 5 Stopper Connections, 25 mm
Supplier: DWK Life Sciences
The filtration assembly with fritted glass support is designed to handle small volumes of liquids for analysis of particulate or microbiological contamination.
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: KIMBERLY CLARK
: Integra
: Industrial Physics
: TESTO
: Integra
: VWR Collection
: VWR Collection
: VWR Collection
: Thermo Fisher Scientific
: VWR Collection
: VWR Collection
: Integra
: VWR Collection
: VWR Collection
: Industrial Physics