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Updated: May 29, 2025
In crystallizing from the magma, they entrapped sufficient numbers of particles of the higher orders to give them the characteristics which you have observed. The impurities, however, are not sufficient in quantity to offer a point of attack to any ordinary reagent." "But how could such material possibly be formed?"
The student should remember that while there may be others who share the responsibility for the purity of materials in the laboratory of an institution, the responsibility will later be one which he must individually assume. The stoppers of reagent bottles should never be laid upon the desk, unless upon a clean watch-glass or paper.
From the weight of this substance and its known composition, the amount of the constituent in question is determined. In !volumetric! analysis, instead of the final weighing of a definite body, a well-defined reaction is caused to take place, wherein the reagent is added from an apparatus so designed that the volume of the solution employed to complete the reaction can be accurately measured.
With an oath the trapped man struck at Gaeki's hand. The vial fell and cracked on the table. The hydrochloric acid spread out over Marshall's will. And under the chemical reagent the figure in the bequest of fifty thousand dollars changed beautifully; the bar of the 5 turned blue, and the remainder of it a deep purple-red like the body of the will.
He has been a powerful agent, or reagent, in converting the stagnant ferment into a live and wholesome ebullition, or as the old Greek evolutionists would say, starting the first progress in the primeval ooze of American Philistinism. A more thoroughly New England ancestry it would be hard to find. The founder of the family came over from England soon after the Mayflower landed.
False beliefs are more practical than theoretical, more a matter of practical conduct than of passive experience, more a change of reagent than a reaction to change. The man on the street or even many a leading neurologist would perhaps accept this formula as his own.
The tadpole as a reagent to test out the growth effects of different glands of internal secretion has also been employed for the pineal. Ten-day-old tadpoles fed on pineal present a marked translucency of the skin due to a retraction of the skin pigment cells.
but there is no reagent that will redden the faded roses of eighteen hundred and spare them! But, as I was saying, phosphorus fires this train of associations in an instant; its luminous vapors with their penetrating odor throw me into a trance; it comes to me in a double sense "trailing clouds of glory."
The unit which we seek to make the center of society, the Home is deprived of the help of scientific invention and suggestion. It is only slowly and by the utmost effort that some small foothold has been gained for the vacuum cleaner, the washing-machine, the power tool, and the chemical reagent.
But still, my judgment is not final; she has youth, and a most amazing nervous strength. It may be best to risk all to win all by employing some violent reagent. But I will not take upon myself to order it; nor will I advise it; in consultation I shall oppose it." Jules returned to his wife.
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