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Updated: June 12, 2025
"If the soil contains any limestone, the acid should produce foaming, or effervescence," replied Percy; "but it is very evident that this soil contains no limestone. You see the hydrochloric acid has power to decompose calcium carbonate with the formation of carbonic acid and calcium chlorid, a kind of salt that is used to make a brine that won't freeze in the artificial ice plants.
Before using, it is passed over phosphorus and chloride of calcium, and through sulphuric acid. The porcelain tube and boat were heated to from 300 deg. to 600 deg. It was found that the larger the quantity of dioxide the higher the degree of oxidation, and the larger the proportion of monoxide the lower the degree of oxidation.
Thus it fell out that he, Varney, who had needed to seek the dark and unobtrusive ways, found himself thrust suddenly into the full glare of the calcium. He who was guarding an errand which nobody should know about was now to be asked by everybody who read newspapers just what that errand was. It was so absurd that all at once he laughed aloud.
The essential facts relating to potassium, magnesium and calcium and to the use and value of different forms of lime have been stated above, and they may be accepted with confidence for use in economic systems of farming on normal soils.
If every farm could get its supply of pure calcium lime as cheaply as it can have magnesian lime, the truth respecting the value of the latter would have small agricultural importance, but as a great bulk of farm and commercial supplies of lime is magnesian, financial injury has been done consumers who have paid more than should have been paid for relatively pure calcium lime and limestone, being afraid to use goods whose content of magnesium was not small.
On June second, for five consecutive years, the ends of the earth had yielded up Phelan Harrihan; by a miracle of grace he had arrived in Nashville, decently appareled, ready to respond to his toast, to bask for his brief hour in the full glare of the calcium, then to depart again into oblivion.
If compounds of calcium are absent from the blood, coagulation does not take place. These are, however, regular constituents of healthy blood. Whether the presence of the calcium is necessary to the formation of the ferment or to the action of the ferment upon the fibrinogen is unknown. *Purpose of Coagulation.*—The purpose of coagulation is to check the flow of blood from wounds.
If only the grain, including a yield of 4 bushels an acre of clover seed, is considered, the straw, stalks and hay being returned to the soil either directly or in farm fertilizer then the loss per acre from four years of cropping as above would be as follows: Potassium 51 pounds Magnesium 16 pounds Calcium 5 pounds Phosphorus 42 pounds
"No," said Carrie, shaking her head; "not me." This conversation was interrupted by the blare of the orchestra and the sputtering of the calcium lights in the wings as the line was called to form for a new entrance. No further opportunity for conversation occurred, but the next evening, when they were getting ready for the stage, this girl appeared anew at her side.
The importance of the part played in the prominence-spectrum by the violet line of calcium was noticed by Professor Young in 1872, but since H and K lie near the limit of the visible spectrum, photography was needed for a thorough investigation of their appearances.
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