ISO 7057:1981

Plastics laboratory ware — Filter funnels
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.
SDO:
ISO
Language:
English
ICS Codes:
71.040.20
Status:
Published
Publish date:
1981-08-31
Standard Number:
ISO 7057:1981