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Experiments and Observations on the Pre- 
paration and some remarkable Properties of 
the OXYGENATED MURIAT of POT- 
ASH. By Mr. Tuomas Hovte, Jun. 
READ NOV, 10, 1797 
Having an opportunity in preparing the oxy- 
genated muriatic acid for the purpose of bleaching, 
by a small extension of the apparatus, to prepare 
likewise the oxygenated muriat of potash, and to 
make experiments on that substance, I have been 
induced to digest the most material facts and obser- 
vations which occurred, and to lay them before the 
society: especially as I do not find. much on the 
subject in the writings of others, and as many 
have probably been deterred from the investigation 
by the exorbitant price of the article, and by some 
apprehensions. of danger attending it. 
A few experiments, which are not new, have 
been introduced, in order to bring under one point 
of view the principal chemical facts which relate 
to this salt. I have given, in most cases, an exact 
account of the quantities of the different ingredients - 
composing the mixtures; and as persons not much 
accustomed to such experiments may be inclined ta 
