If you figured up the weights from the symbols given above you would find that it takes about one pound of hydrogen to convert a hundred pounds of olein to stearin and the cost is only about one cent a pound.
These variations in consistency depend upon the relative proportions of solid stearin and liquid olein present in the fat.
The quantity of stearin to be added is at the rate of half a part to 100 parts of sand.
Most natural fats are mixtures of several different triglycerides in each of which the three (OH) groups of the glycerol has been replaced by the same organic acid radical, as in the example of stearin shown above.
In the manufacture of packing-house and cottonseed products the stearin is often separated from the olein.
Olein is a liquid at ordinary temperature, while stearin is solid.
The excess ofstearin would be consumed in the production of heat and muscular energy.
Sidenote: Chemical difference between animal and vegetable fats] The chief distinction between animal and vegetable fats is in the proportion of olein compared with stearin and palmitin.
The following table gives the names of a few of the more common fatty acids and their corresponding fats: Stearic acid Stearin Palmitic acid.
Thus a starved dog that has been given a heavy diet of tallow will deposit fat which will contain a large quantity of stearin and palmitin, and consequently have a higher melting point than normal dog fat.
Sidenote: Packing-house uses of stearin and olein] When fats are heated to a high temperature they decompose and form various products, some of which are irritating and poisonous to the human system.
In the packing-house stearinis separated from the tallow in large quantities.
The ordinary animal fats, such as tallow and lard, are formed chiefly of the two fats stearin and olein.
A soap made with soda and a purified animal fat consisting principally of stearin (P.
The refined oleic acid of thestearin works also commonly passes under the name.
A constituent formerly supposed to exist in solid fats, but now regarded as a mixture ofstearin and palmitin.
By separating the olein of lard from the stearin by means of boiling alcohol.
The cake of fat which separates in the last operation, is dried and weighed after adding to it, while melted, a known weight of stearin or paraffin to give it hardness.
The fatty acids are then placed in clothes and subjected to pressure in the stearincold press.
The melting point of stearin appears to undergo changes and suggests the existence of distinct modifications.
Aluminium can be readily soldered to copper or brass with fine solder (2 parts of tin and 1 part of lead): tin the metals, using stearin as flux previous to making the required joint.
Stearin is undoubtedly the most reliable of them all, but no flux is needed for solders containing phosphorus, which is itself a flux.
Mott's process fit to be made at once into good stearin candles, without any further treatment?
Christ Church, New Zealand, asks: Is the stearin from which the olein has been extracted by Dr.
Pertaining to, or obtained from, stearin or tallow; resembling tallow.
The solid consistency of tallow is due to the large amount of stearin it contains.
Stearin and palmitin prevail in the solid oils and fats, and olein in the liquid oils.
It occurs mixed with stearin and olein in the fat of animal tissues, with olein and butyrin in butter, with olein in olive oil, etc.
Articles of stearin and paraffin, wax of all kinds, wrought, T.
In the burning of 1 kilogram of stearin candles, 50 cubic metres of air are changed as by respiration--that is, 4 p.
In a candle the combustible vapours and gases which are formed by the action of heat on the melted tallow or stearin rise in the wick, and are heated by the high temperature of the flame.
It contains large quantities of stearinand has a low iodine value, making it a slow drying oil.
The oil contains large quantities of stearin and palmitin, as well as wax-like constituents which are apt to be thrown out of solution in very cold weather, or when the oil is mixed with other oils.
Defn: Pertaining to, or obtained from, stearin or tallow; resembling tallow.
Note: The solid consistency of tallow is due to the large amount of stearinit contains.
In the same way are made these candles of stearin and of paraffin.
The candle I have in my hand is a stearin candle, made of stearin from tallow in the way I have told you.
The oil must be heated and bleached with certain chemical agents, and if designed for salad-oils, frequently a portion of the stearin is removed to make the oil more liquid.
Some contain, in addition to olein, stearin and palmitin, and other fats quite as undesirable.
Stearin (the glyceride of stearic acid) is the hardest of the fatty acids, while palmitin, although classed with the solid fats, is not so hard as stearin.
Beef-stearin crystals are rod-shaped, or needles often apparently curved with pointed ends, and are arranged in clusters like the ribs of a fan, the crystals radiating from a common point.
Crystals of lard stearin are flat rhomboidal plates, one end being oblique to the sides, and they do not appear to be regularly grouped.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "stearin" in a variety of sentences. We hope that you will now be able to make sentences using this word.
