| National Museum of American History

There are restrictions for re-using this image. For more information, visit the Smithsonian's Terms of Use page .

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more.

View manifest View in Mirador Viewer

Description:

Before analyzing organic compounds, chemists purified the oxygen or air they would use by passing it through a tube containing an absorbing material of some sort. Several forms were devised for that purpose. This example is of the form devised by S. Schmitz in the 1880s.

Ref: Henry Heil, Illustrated Catalogue and Price-List of Chemical Apparatus (St. Louis, 1903), p. 437.

Ref: S. Schmitz, “Modification of the Calcium Chloride Drying Tube use in Elementary Analysis,” Zeit. Anal. Chem. 23 (1884?): 688.

Location: Currently not on view

See more items in: Medicine and Science: Chemistry

Exhibition:

Exhibition Location:

Credit Line: Gift of University of Pennsylvania Chemistry Lab

Data Source: National Museum of American History

Id Number: CH.316065.116Accession Number: 217523Catalog Number: 316065.116

Object Name: Calcium Chloride Tube

Measurements: overall: 10.2 cm x 12.8 cm x 3.9 cm; 4 in x 5 1/16 in x 1 9/16 inoverall: 4 3/8 in x 5 in x 1 1/2 in; 11.1125 cm x 12.7 cm x 3.81 cm

Metadata Usage: CC0

Guid: http://n2t.net/ark:/65665/ng49ca746a0-dfdb-704b-e053-15f76fa0b4fa

Record Id: nmah_1945

Our collection database is a work in progress. We may update this record based on further research and review. Learn more about our approach to sharing our collection online.

If you would like to know how you can use content on this page, see the Smithsonian's Terms of Use. If you need to request an image for publication or other use, please visit Rights and Reproductions.