Brown glas reagent bottle labelled 'HYDRIC SULPHIDE', 1940.

Richardson, Claire

 
Brown glas reagent bottle labelled 'HYDRIC SULPHIDE', 1940.
4 0 c m
 
34cm
actual image size: 26cm x 32cm

Description

Reagent bottle with an embosed, fired label and a ground glas stopper. A reagent is a substance or mixture used in chemical analysis. Many laboratory chemicals are stored in this type of bottle. Hydrogen (Hydric) Sulphide (H2S) is a poisonous gas with a characteristic 'rotten egg' smell. It disolves in water to form an acidic solution.

© Science Museum / Science & Society Picture Library

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