Nessler Tube
notes: label: Description
content: Julius Nessler (1827-1905) was a German agricultural chemist who developed a reagent that provides a colorimetric measure of ammonia concentration. A Nessler tube (aka cylinder) has a fixed volume and an optically plane bottom, and is suitable for use in a Nessler test. This example is 11.75 inches long, The "EXAX" inscription refers to the Kimble Glass Co., a firm in Vineland, N.J. that introduced this trademark to commerce in 1920.
label: Description
content: Ref: Arthur H. Thomas, <i>Scientific Apparatus and Reagents</i> (1914), p. 143.
label: Location
content: Currently not on view
setName: label: See more items in
content: Medicine and Science: Chemistry
creditLine: label: Credit Line
content: Gift of University of Pennsylvania
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: CH.315827.028
label: catalog number
content: 315827.028
label: accession number
content: 217523
objectType: label: Object Name
content: Nessler Tube
physicalDescription: label: Measurements
content: overall: 11 3/4 in; 29.845 cm
label: Measurements
content: overall: 11 3/4 in x 3/4 in; 29.845 cm x 1.905 cm