Potassium stearate forms an ideal lather for shaving, but readily hardens and hence needs some of the softer oils, or glycerine incorporated with it to form a satisfactory soap for shaving.
Tallow is not suitable for making a clear liquid soap since it is too high in stearine which when formed into the stearatemakes an opaque solution.
It has previously been pointed out that potassium stearate forms an ideal lather for shaving, and in the hydrogenating process the olein is converted to stearine.
From this analysis it is concluded that Kora-Konia has essentially the following composition: Zinc stearate U.
Essentially this dusting powder consists of the well-known substances talc and zinc stearate in about equal proportions to which small quantities of magnesium carbonate and boric acid have been added.
The two atoms of water needed for the condensation of the ammonium phosphate from the stearate are obtained by separating them away from two of glycerine.
The purified bi-stearate being decomposed by boiling in water along with any acid, as the muriatic, the disengaged stearic acid is to be washed by melting in water, then cooled and dried.
A substance falls to the bottom, possessed of pearly lustre, consisting of the bi-stearate and bi-margarate of potash; which is to be drained and washed upon a filter.
On adding water to it afterwards, the liquor affords a fresh quantity of bi-stearate and bi-margarate.
The stearate of lead, by Chevreul, gives 109 for the atomic weight of the acid.
From the composition of stearate of potash, the atomic weight of the acid appears to be 106.
In order that the alcoholic solution of the bi-stearate may redden the litmus, the alcohol should not be very strong.
We may thus conceive how a small quantity of stearate or oleate of potash may resist the decomposing action of the soda salts.
If we now add cold water, the reddened mixture will resume its blue tint, and will deposit bi-stearate of potash in small spangles.
Lead and opium wash, or boric acid, or linseed oil, or starch, or cocaine, and zinc stearate with boric acid.
The following is good to dust in the parts:-- Boric Acid 2 drams Stearateof Zinc 2 drams Talcum 1 dram Apply as a dusting powder.
Dust the parts with oxide of zinc or stearate of zinc powder, or bismuth mixed with borax; all are good.
Powder should not be used except where there are signs of chafing, when stearate of zinc is the best to use.
Neither am I aware at present whether it is well known that the use of sodium oleate unmixed with sodium stearate dispenses with the process of dilution even in very hard waters.
Soap is soluble in soft water, but the sodium stearateprobably unites with water to form hydrogen sodium stearate and NaOH.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "stearate" in a variety of sentences. We hope that you will now be able to make sentences using this word.
