An experiment in diffusion, water pollution, and bioassay using polyethylene film as a semipermeable membrane

Authors

Cal R. Fremling, Winona State University

Files

Description

Article written by Cal R. Fremling detailing step-by-step instructions for a basic classroom laboratory experiment. The article includes photographs of students performing steps of the procedure, discussion of data and possible conclusions, and other possible applications using the materials and procedure. Fremling is credited as: "Winona State College, Winona, Minnesota." Abstract: "A novel experiment in aquatic biology employing polyethylene bags can be utilized by large groups. The author is Professor of Biology at Winona." Article reprinted from The American Biology Teacher, volume 30, number 6, September 1968. 5 pages. Part of the Cal R. Fremling Collection.

Publication Date

1968

Item Type

Book

Publisher

Library

City

Winona, Minnesota

Keywords

Biologist; s Laboratory; Fish; Pollution

Department

Special Collections-Library

Notes

1968-09-01

Recommended Citation

Fremling, Cal R., "An experiment in diffusion, water pollution, and bioassay using polyethylene film as a semipermeable membrane" (1968). Cal Fremling Papers. 21.
https://openriver.winona.edu/calfremlingpapers/21

Rights Management

Requests to reproduce this image must be granted by the Winona County Historical Society.

Contributing Institution

Winona County History Center

Master File Format

TIFF

Fiscal Sponsor

This project has been financed in part with funds provided by the State of Minnesota from the Arts and Cultural Heritage Fund through the Minnesota Historical Society.

Scanning Responsibility

Northern Micrographics

Date Digital

2019-06-24 00:00

Metadata Creation Responsibility

Anna Gaffey

Unique Identifier

2011.003.0120