Glass apparatus Kjeldahl compound: a Kjeldhal boiling flask 1 litre 29/32 screwsocket a multiple adapter 29/32 screwsocket a funnel with stopcock 29/32 screwsocket a bosshead adapter 29/32 screwsocket a condenser Liebig 400mm 29/32 screwsocket with connexion GL14 with plastic connector 4 caps and seals 29/32 screwsocket