For the determination of nitrogen in organic compounds. With centre neck and conical joint.

Kjeldahl flasks
NS jointed Kjeldahl flasks
Kjeldahl flasks
NS jointed Kjeldahl flasks
Kjeldahl flasks
NS jointed Kjeldahl flasks
Kjeldahl flasks
NS jointed Kjeldahl flasks
Kjeldahl flasks
NS jointed Kjeldahl flasks
Kjeldahl flasks
NS jointed Kjeldahl flasks