Related Experiment Video
Updated: Jul 31, 2026

09:03
Rapid Freezing using Sandwich Freezing Device for Good Ultrastructural Preservation of Biological Specimens in Electron Microscopy
Published on: July 19, 2021
[Method of purifying glutaraldehyde for microscopic research on biological objects]
Tsitologiia
|August 1, 1986
Summary
A straightforward method purifies and measures glutaraldehyde concentration for histochemical fixation. Vacuum distillation and refractometry offer a reliable approach for accurate sample preparation.
Area of Science:
- Biochemistry
- Histology
- Analytical Chemistry
Context:
- Glutaraldehyde is a crucial fixative in histochemistry.
- Accurate glutaraldehyde concentration is vital for preserving tissue morphology.
- Existing purification and determination methods can be complex or unreliable.
Purpose:
- To present a simple and reliable method for glutaraldehyde purification.
- To establish a straightforward technique for determining glutaraldehyde concentration.
- To enhance the accuracy and reproducibility of histochemical fixation protocols.
Summary:
- Proposed a purification method using vacuum distillation with a rotational-filmy evaporator.
- Developed a concentration determination technique employing a refractometer.
- The combined method offers a practical solution for preparing glutaraldehyde solutions.
Impact:
- Improves the quality and consistency of histochemical staining.
- Facilitates more accurate research findings through reliable sample preparation.
- Provides a valuable tool for laboratories performing histological analyses.

