Laboratory Funnels Information
Image Credit: U.S. Plastic Corporation
Laboratory funnels are used to channel liquids or fine-grained chemicals (powders) into labware with a narrow neck or opening. Often, they are made of plastic such as polypropylene. Reusable products can be sterilized in an autoclave.
Types of Laboratory Funnels
Product types include:
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Buchner
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Filling
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Filtering
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Micro
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Powder
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Separator
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Stemmed
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Hirsch
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Utility
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Weighing
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Thistle
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Dropping
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Addition
Specifications
In terms of specifications and features, laboratory funnels may be equipped with two or three necks and have a ground glass bottom for connections with ground glass joints.
Standards
A-A-1663 - FUNNEL(PLASTIC)
ISO 4798 - LABORATORY GLASSWARE - FILTER FUNNELS
ISO 4800 - LABORATORY GLASSWARE - SEPARATING FUNNELS AND DROPPING FUNNELS