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Updated: June 12, 2025
A few secretions and excretions are naturally acid. Sometimes the body gets into a too acid state, but that is very rarely due to overeating of fruit. It is generally caused by pathological fermentation of food in the alimentary tract. The salts and acids of fruits are broken up in the stomach and help to form alkaline substances. The water of the fruit is very pure, distilled by nature.
TO DETECT ALKALIES IN NITRATE OF SILVER Stolba recommends the salt to be dissolved in the smallest quantity of water, and to add to the filtered solution hydrofluosilicic acid, drop by drop. Should a turbidity appear an alkaline salt is present.
When fresh leaves were given in the evening to worms kept in confinement and examined early on the next morning, therefore not many hours after they had been dragged into the burrows, the fluid with which they were moistened, when tested with neutral litmus paper, showed an alkaline reaction. This was repeatedly found to be the case with celery, cabbage and turnip leaves.
Yu won't be so frisky when yu've made them seventy hot miles between here an' Alkaline in five hours," he promised, as he made his way toward the animal. Mr. Travennes walked over to the opposite wall and took down a pouch of tobacco which hung from a peg.
Now chemistry comes and puts a spoke in the wheel of our arguments, telling us that the poison of the Bees is not the same as that of the Wasps. The Bees' is complex and formed of two elements, acid and alkaline. The Wasps' possess only the acid element; and it is to this very acidity and not to the 'so-called' skill of the operators that the preservation of the provisions is due.
In all the substances investigated by him in which phosphorescence was introduced he found that three conditions were essential to its production: that oxygen should be present; that there should be an alkaline reaction in the phosphorescing mixture that is, a reaction such as is produced on acids and vegetable coloring matters by potash, soda, and the other alkalies; and that some kind of chemical action should take place.
By ancient usage in Ireland, all the weeds on a farm belonged to the farmer's wife, or to the wife of the squire who holds the ground in his own hands. The great demand for alkaline salts in bleaching rendered these ashes no inconsiderable perquisite.
It is true that farm manures contain very appreciable amounts of lime and some other alkaline, or basic, substances, but in addition to this, and perhaps of greater importance, is the fact that such fertilizer has power to feed the clover crop as well as other crops. In other words it furnishes the essential materials of which these crops are made.
The liquid is allowed to cool until it reaches 212°, and is drawn out after it has been allowed to clear by settling; it is then concentrated until it reaches a density of 1.25, or it may be evaporated to dryness in an iron kettle. The metal is not affected by alkaline liquors. The glass is soluble in boiling water; cold water dissolves but little of it.
The water used in this process should not be at a higher temperature than 113° F., and the apparatus ought to be provided with an agitator; 2nd, the cleansing or scouring proper, with a weak alkaline solution; 3rd, the rinsing or final washing in water.
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