text: It is often used in combination with a BÃ 1\/4 chner flask , BÃ 1\/4 chner ring and sinter seals .
simplified: A bÃ 1\/4 chner funnel is a piece of laboratory equipment which is used to filter or separate a liquid from a solid . It is named after an industrial chemist called Ernst BÃ 1\/4 chner .