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Catalog Data

Measurements:
overall: 12 in; 30.48 cm
Object Name:
Nessler Color Comparison Tube, Colorometer
Nessler Tube
Description:
Julius Nessler (1827-1905) was a German agricultural chemist who developed a reagent that provides a colorimetric measure of ammonia concentration. A Nessler tube (or cylinder) has a fixed volume and an optically plane bottom, and is suitable for use in a Nessler test. This example is 12 inches long, and marked “EXAX.”
Ref: Arthur H. Thomas, <i>Scientific Apparatus and Reagents</i> (1914), p. 143.
Location:
Currently not on view
Credit Line:
Gift of University of Pennsylvania
ID Number:
CH.315827.027
Catalog number:
315827.027
Accession number:
217523
See more items in:
Medicine and Science: Chemistry
Data Source:
National Museum of American History
GUID:
http://n2t.net/ark:/65665/ng49ca746a0-e451-704b-e053-15f76fa0b4fa
EDAN-URL:
edanmdm:nmah_1839