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Updated: June 19, 2025
"As an average of the most common commercial fertilizers sold to the farmers in the Eastern and Southern States, the four hundred pounds would add to the soil seven pounds of nitrogen, fourteen pounds of phosphorus and seven pounds of potassium, while a single fifty-bushel crop of corn will remove from the soil ten times as much nitrogen, five times as much potassium, and nearly as much phosphorus as the total amounts applied in this six-year or seven-year rotation.
Phosphorescence becomes more intense, and most bodies of complex structure milk, eggs, feathers, cotton, and flowers become phosphorescent. The same is the case with certain simple bodies, such as oxygen, which is transformed into ozone and emits a white light in the process. Chemical affinity is almost put an end to; phosphorus and potassium remain inert in liquid oxygen.
I will even add, that if we mix it with one-eighth of its own weight of nitrate of potassium, its expansive force is again considerably augmented." "Will that be necessary?" asked the major. "I think not," replied Barbicane.
"And what was the actual effect of the nitrogen?" questioned Mr. Thornton. "How much did the wheat yield when they left out the nitrogen and applied all the other elements?" "Only fifteen bushels," was the reply. "Only fifteen bushels! Only two bushels increase for all the other elements, phosphorus, potassium, magnesium, and calcium, and I remember you said that sulfur also was applied.
Of this finger-print a photograph is taken, or rather, a photographic negative, which for this purpose requires to be taken on a reversed plate, and the negative is put into a special printing frame, with a plate of gelatine which has been treated with potassium bichromate, and the frame is exposed to light.
POSITIVE Bismuth Cobalt Potassium Nickel Sodium Lead Tin Copper Platinum Silver Zinc Cadmium Arsenic Iron Red phosphorus Antimony Tellurium Selenium NEGATIVE Other things being equal, the hotter the joint in comparison with the free ends of the bars the stronger the current of electricity. Within certain limits the current is, in fact, proportional to this difference of temperature.
He found that my pulse was high, my eyes dilated, my nerves highly strung, but no alarming symptoms. I must have a course of shower baths and of bromide of potassium. May 25. No change! My state is really very peculiar. As the evening comes on, an incomprehensible feeling of disquietude seizes me, just as if night concealed some terrible menace towards me.
Shasha went to one of the huts and returned with a small earthen pot full of water, which he placed on the ground near the fire. Vooda look the lump of potassium which he had cut into the form of a large conical bullet, from his pocket, and advanced to where the chief was sitting.
"No solution leached from the pulp, containing cyanide of potassium, gold and silver, need be run to waste, which is in itself an enormous saving over the use of zinc shavings when handling large quantities of pulp and solution.
III. PRECIPITATION METHODS; of which the titration for silver with potassium thiocyanate solution is an illustration. Examples of the latter class will be pointed out as they occur in the procedures.
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