Note 3: It has been shown by Hillebrand that silicic acid cannot be completely dehydrated by a single evaporation and heating, nor by several such treatments, unless an intermediate filtration of the silica occurs.
This is usually partially dehydrated silicic acid and does not require further treatment at this point.
The filtration should take place without delay, as the dehydrated silica slowly dissolves in hydrochloric acid on standing.
He attributes the scurvy to a dependence on dehydrated vegetables in the ration.
The Oxidase, Peroxidase, Catalase and Amylase of fresh and dehydrated vegetables, Jour.
From what has been stated in the preceding chapter, it is evident that, at the present time, no reliance can be placed on dehydratedvegetables as a protective agent.
It will be noted later that it is also of importance in connection with the potency of dehydrated vegetables.
Fruits and vegetables which are dehydrated have been found to have lost their antiscorbutic properties.
This was caused by a diet of pasteurized milk and dehydrated vegetables.
During the war, however, as the result of a lack of fresh food and the dependence on dehydrated vegetables, a large number of cases developed.
The question for us to consider, however, is whetherdehydrated vegetables still retain their antiscorbutic quality and can be counted on to supply this factor in the dietary.
The marked gain in weight when an equivalent amount of fresh carrots was substituted for the dehydrated vegetable corresponded to the disappearance of scorbutic signs.
Should white spots appear in the section while in the oil it must be taken out with as little oil as possible, and again dehydrated in absolute alcohol.
The tissue may then be placed in gum if it is to be frozen, dehydrated in alcohol if paraffin or celloidin is to be employed.
They should then be washed, dehydrated in alcohol, clarified in oil of bergamot, and mounted in Canada balsam.
The piece of cord to be cut after prolonged hardening in Müller’s fluid is transferred without washing to absolute alcohol and dehydrated preparatory to embedding in celloidin (p.
They may be mounted in Farrant, or dehydratedand mounted in balsam.
The resultant uniformly dehydrated blast effects great economy in fuel consumption, and promotes regularity of furnace operation, and certainty of furnace control.
Titov is reported to have been dehydrated alter his flight with early hemoconcentration.
If dehydrated formula foods are to be fed on short-term missions, additional work is required on the rehydration of such formulas.
The packaging of food materials, both dehydrated and liquid, has proceeded satisfactorily under the supervision of the Food and Container Institute.
You can’t count on finding dehydrated sulphuric ether for sale like peanuts.
This force,” continued the younger man, “is secured by a chemical engine in which dehydrated sulphuric ether and gasoline or either may be used.
The method of preparation, no doubt, dehydrated this one; it would, however, be quite effective for its purpose of sulphurizing the copper.
Insoluble in water; soluble in dehydrated alcohol, ether and chloroform.
This is brought about by the pretty general elimination of water, largely through the substitution of dehydrated vegetables and fruits for fresh and canned goods.
The dehydrated products designated are in every particular equal to fresh products and far superior to canned goods.
Several articles of small bulk and weight such as dehydrated carrots, onions, cranberries and green peas each in its original package or a small muslin bag suitable in size may be carried in a single balloon silk bag.
Dehydrated vegetables possess all the qualities, in fact, of fresh vegetables, with only the large percentage of water removed.
Dehydrated goods are equal to fresh goods and are far superior to the canned kind.
There was so much dehydrated food that seasoning was one of the things we missed the most.
I wondered why it was so crunchy until I discovered that there was a beetle inside all the dehydrated peas in the soup.
The other was a green soup made with dehydrated vegetables.
Dehydrated vegetables are very portable, keep in any climate, and it is well to carry some on trips far from civilization.
Celery and parsley can now be had in dehydrated form.
The skin is thendehydrated by washing with methylated spirit, followed by 70 per cent.
The day before operation the skin, after being washed with soap and water, is shaved, dehydrated by means of methylated spirit, and then painted with a 5 per cent.
When cutting is objected to, they may be painted night and morning with salicylic collodion, the epidermis being dehydrated with alcohol before each application.
In emergency operations the skin is shaved dry and dehydrated with spirit, after which the iodine is applied as described above.
If the preparation is to be permanently preserved, it should be dehydrated in strong alcohol after washing with water, and it may then be treated with oil of cloves and mounted in Canada balsam.
To demonstrate the bacillus they take a thin layer of the infecting liquid on a cover glass, dry it, stain with methyl violet, wash with dilute acetic acid, dehydrated by absolute alcohol, and clear by oil of cedar.
Savory bacon, a great cured ham of a caribou, dehydrated vegetables and cans of marmalade and jam: all these went into the big saddle-bags for the journey.
She beheld the smooth cascade of the rice as Bill poured it into the boiling water, her own hand opened a can of dehydrated vegetables that was to give flavor to the dish.
The hydroxide occurs in nature as the mineral hydrargyllite, and in a partially dehydrated form called bauxite.
Cobalt salts, which contain water of crystallization, are usually cherry red in color; when dehydrated they become blue.
Dehydrated vegetables were also found especially adapted for use at the front when food was carried forward from the rail heads to the trench kitchens under shell fire.
The use of dehydrated vegetables saved two-thirds of the cargo space in ships over the amount required for fresh vegetables.
Dehydrated vegetables occupied a prominent place in the soldier's menu in France.
The result was foods in forms never before known by American soldiers and in some cases never before known at all--such forms as dehydrated vegetables, boneless beef, and the so-called shankless beef.
The difficulty of supply was increased by the delicate process which is required to make dehydrated vegetables.
Dehydrated vegetables to be issued | only in case fresh vegetables are | not available.
To supply dehydrated vegetables meant the development of an industry.
Reports from overseas made by inspectors of the Subsistence Division indicate that dehydrated vegetables were quite satisfactory.
Our Government has placed orders for several thousand tons of dehydrated potatoes for the Army and may use other dried products as they can be obtained.
Canada has sent abroad within the past 3 years over 50 million pounds of dehydrated vegetables, about two-thirds of which was the vegetable-soup mixture and one-third dried sliced potatoes.
The dehydrated products, if properly stored, seem to keep a long time.
Thus if pelts dehydrated with alcohol be treated with an alcoholic solution of stearic acid, the second condition is fulfilled and a permanent leather is obtained.
Table giving the Percentages by volume of Combustible Gas in a Dehydrated Mixture of that Gas and Air between which the Explosive Limits of such a Mixture lie.
Or, since the calcium hydroxide is only dehydrated without being entirely decomposed, and only one molecule of water is broken up, it may be written: Formation of CaO 145.
The brain was dehydrated with alcohol, and then treated with ether, hot alcohol, and chloroform until an albuminoid residue remained; lead was extracted from each of these portions, viz.
There were also two large flasks of water and two month-supply boxes of dehydrated space-gruel--these last items obviously granted them from their own, now vanished stores.
Dehydrated food, flasks of oxygen and water, and blastoff drums to contain our gear, are all relatively simple.
A man's kidneys and bowels functioned, and precious water molecules couldn't be wasted, here in the dehydrated emptiness.
It was early observed that set plaster could be revivified by a second baking, but attempts in this direction were not uniformly successful, it being found that the dehydrated substance in some cases refused to set with water.
It might be suggested that the reason why these plasters set more slowly than completely dehydrated plaster is owing simply to the fact that they contain, apparently, some unaltered gypsum, which serves to dilute the action.
According to Payen, the rapidity of setting, provided the plaster has dehydratedat a temperature sufficiently low, depends entirely on the structure of gypsum employed.
This substance, when made into a paste with water, gradually sets to a hard mass, because the partially dehydrated gypsum re-combines with the water.
This accounts for the loss of weight observed and also for the formation of the white layer of partially dehydrated soda over the surface of the crystal.
