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Updated: June 29, 2025
Six kilos of lupuline, which included a large proportion of sand, furnished 400 grammes of crude hop-bitter acid. The first experiments in crystallization with petroleum ether gave poor results; it is difficult to produce the acid pure in large quantities by this process, as a small quantity of the above substance obstinately clings to it, and it readily assumes a non-crystallizable form.
The total of these figures constituted the allowance of each person in grammes per week. The person desiring to buy bread either at a baker's or in a restaurant must turn in these little stamped sections for an amount equivalent to the weight of bread purchased.
The Jew fetched his steelyard, and a packet of the tobacco was suspended to it. "Merciful heavens!" screamed Isaac. The index registered only 133 grammes! "You see, Hakkabut, I was right. I was perfectly justified in having your goods put to the test," said Servadac, quite seriously. "But but, your Excellency " stammered out the bewildered man.
The soluble portion of a like quantity of 5 grammes of the same yeast caused the fermentation of 10 grammes of sugar in nine days, after which the yeast developed by the sowing was likewise exhausted."
Thirty to 40 grammes of nitric acid are added to 1,000 grammes of wood-spirit, such as is generally used in photography, and the prepared pieces of glass are dipped into the bath, leaving them afterward to dry. If the bath becomes of a yellowish color, it must be renewed.
One ampere decomposes .00009324 gramme of water per second, liberating .000010384 gramme of hydrogen and .00008286 gramme of oxygen. The quantity in grammes of any other chemical element or ion which is liberated from an electrolyte or body capable of electrochemical decomposition in a second by a current of one ampere is given by what is called the electrochemical equivalent of the ion.
Sitting on a mountain of gold in the desert of Sahara would not quench thirst. Three hundred grammes, a minimum calculation about half what the British soldier gets was the ration. That small boy sent by his mother got five loaves; his ticket called for an allowance for a family of five. An old woman got one loaf, for she was alone in the world.
Nitrite of amyl was then administered by inhalation: at first, three to five drops; then, ten to twenty; and finally, more or less was poured on the handkerchief without being measured. During each inhalation the condition of the patient rapidly improved, but as quickly grew worse, so that the drug was continued at short intervals all night, ten grammes in all having been used.
None of the fats passed through by osmosis. After eight hours more, the iodine reaction was quite decisive in all cases, but no fat had passed through even now. On titrating 20 grammes of the contents of each beaker, I. If we throw a stone into the water, a wave will be produced that will extend in a circle.
Far stronger solutions of ammonium chloride can be nitrified than of ammonium carbonate, if the solution of the former salt is supplied with calcium carbonate. Nitrification has in fact commenced in chloride of ammonium solutions containing more than two grammes of nitrogen per liter.
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