Six preferred sizes are defines by their internal bowl diameter. General design are shown in a figure and the dimensions are tabled. The material shall be general non-brittle plastics. Annex A concern the determination of resistance to extraction of ionic material by water, Annex B describes the flexibility test.
Document identifier
ISO 7057:1981
Title
Plastics laboratory ware -- Filter funnels
ISO Category
TC 48: Laboratory equipment
Publication date
1981-09-01
International Relationship
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