Glass apparatus for Zeisel determination of alkoxyl groups in organic analysis signed by Paul Haack, Vienna, Austria, 1955. Apparatus for Zeisel determination of alkoxyl groups in organic analysis designed by Belcher and Godbert in 1954
Glass apparatus for Zeisel determination of alkoxyl groups in organic analysis signed by Paul Haack, Vienna, Austria, 1955. Apparatus for Zeisel determination of alkoxyl groups in organic analysis designed by Belcher and Godbert in 1954