Important: Safety Warning
This page describes practices involving highly flammable materials in ways that create a serious risk of fire or explosion.
In addition, this page describes trade processes that use dangerously toxic materials such as cyanide solutions, mercury amalgams, or strong acids. These processes require training, equipment, and precautions far beyond what the text describes.
This information has been left in for historical purposes but should not be acted upon.
Home › Miscellaneous Chemicals › Aldehyde
Aldehyde
aldehyd-ammonia in 8 parts water; place the Dissolve 8 parts solution in a retort, and add 7 parts sulphuric it out of the acid and plunge it into cold acid, diluted with about half its weight of water.
Add more sugar to the acid, and water; then distill as directed in last receipt. proceed as before. Wash the resinous matter Rectify the product twice from its own weight carefully, and dissolve it in alcohol or ether. of dried muriate of lime, at a heat not exceed- Evaporate the solution with a gentle heat. ing 86° Fahr. It is an ethereous liquid, boil- It is very combustible. Its solution may be ing at 72°; neutral, inflammable, mixed with water, alcohol , and ether; decomposed by exposure to the air, into liquid acetic acid; spoils by age. used to render gunpowder, lucifer matches, &c., waterproof &c., waterproof.