Schellbach stripes

Diagram of a burette with Schellbach stripes

A Schellbach stripe is a wide white milk glass stripe on the back of a burette , on which there is a 1 mm narrow, colored (mostly blue) longitudinal stripe, which visually shows the liquid level in the burette by two arrowheads meeting. This is caused by the meniscus of the liquid surface in the burette. This improves the reading accuracy.

The name goes back to the German mathematician and physicist Karl Heinrich Schellbach (1805-1892).

Individual evidence

^ Siegfried Ebel and Hermann J. Roth (editors): Lexikon der Pharmazie , Georg Thieme Verlag, 1987, pp. 583-584, ISBN 3-13-672201-9 .
↑ Otto-Albrecht Neumüller (Ed.): Römpps Chemie-Lexikon. Volume 5: Pl-S. 8th revised and expanded edition. Franckh'sche Verlagshandlung, Stuttgart 1987, ISBN 3-440-04515-3 , p. 3707.

[Ebel-1] Siegfried Ebel and Hermann J. Roth (editors): Lexikon der Pharmazie , Georg Thieme Verlag, 1987, pp. 583-584, ISBN 3-13-672201-9 .

[Römpp-2] Otto-Albrecht Neumüller (Ed.): Römpps Chemie-Lexikon. Volume 5: Pl-S. 8th revised and expanded edition. Franckh'sche Verlagshandlung, Stuttgart 1987, ISBN 3-440-04515-3 , p. 3707.