International Standard
ISO 7057:1981
Plastics laboratory ware — Filter funnels
Reference number
ISO 7057:1981
ISO 7057:1981
Edición 1
1981-09
1981-09
© ISO 2024
International Standard
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ISO 7057:1981
13623
No disponible en español
Publicado
(Edición 1, 1981)
Esta norma se revisó y confirmó por última vez en 2023.
Por lo tanto, esta versión es la actual.
Resumen
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.
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