Sep 1, 1977

Recycling procedure for gold chloride used in neurohistology

Stain Technology
J A Kiernan

Abstract

A simple method is described whereby pure chloroauric acid (HAuCl4; "brown gold chloride") is recovered from old solutions used for toning silver-stained sections. The procedure can be carried out in any laboratory and 60 to 80% of the gold initially present in a solution is recovered. The recycled product may be used for toning or for the staining of astrocytes by Cajal's method.

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Mentioned in this Paper

Chloride Ion Level
Astrocytes
Staining and Labeling
Chloride Measurement
Gold
Staining Method

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