About Magazine Podcasts Events
Museum Hours:Wednesday–Saturday, 10AM–5PM

Digital Collections

Photographs

Beckman pH 4, 7 & 10 Buffer Solutions

  • 1969

Rights

In Copyright

Download selected image

PDFSmall JPG1200 x 979px — 154 KBFull-sized JPG1647 x 1344px — 248 KBOriginal fileTIFF — 1647 x 1344px — 6.4 MB
View
In
Copyright
PDF
Download PDF

The three pH buffer solutions were color-coded Red (pH 4), Green (pH 7), and Blue (pH 10).

Property Value
Photographer
Format
Genre
Extent
  • 5 in. W x 4 in. L
Inscription
  • (front right) "69B157-3. Red Green Blue Buffer Bottles (3)"
  • (verso) "69B157-3"
Subject
Rights In Copyright
Rights holder
  • Danaher Corporation
Credit line
  • Courtesy of Science History Institute

Institutional location

Department
Collection
Series arrangement
  • Series X. Photographic Materials
  • Sub-series 3. Photo Albums
Physical container
  • Box 86

View collection guide View in library catalog

Related Items

Cite as

Beckman Instruments Photographic Services Section. “Beckman PH 4, 7 & 10 Buffer Solutions,” 1969. Beckman Historical Collection, Box 86. Science History Institute. Philadelphia. https://digital.sciencehistory.org/works/fn106z34h.

  Export citation (RIS) ?

This citation is automatically generated and may contain errors.

The Science History Institute recognizes there are materials in our collections that may be offensive or harmful, containing racist, sexist, Eurocentric, ableist, or homophobic language or depictions. The history of science is not exempt from beliefs or practices harmful to traditionally marginalized groups. The Institute is engaged in ongoing efforts to responsibly present and address the evidence of oppression and injustice inextricable from the history of science. If you would like to learn more about our ongoing efforts or if you encounter harmful, inaccurate, or insufficient descriptions, please contact us at digital@sciencehistory.org.