The precipitate is soluble in acetone, which is always present in wood spirit. |
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Sulphites give with barium chloride a precipitate soluble in hydrochloric acid. |
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A blue precipitate falls, which is a molybdate of molybdic oxide, hydrated, and abundantly soluble in water. |
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The precipitate should be previously washed with acetic acid, and then with water. |
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Boil off the gas, add ammonia until a precipitate is formed, and then acidify somewhat strongly with acetic acid. |
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This soil, though not equal to the alluvium, or to the basaltic land, is much better than glacial precipitate usually is. |
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The filtrate is heated to a boil, and mixed with ammonia and ammonium carbonate, to precipitate the excess of baryta in solution. |
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The liquid is decanted, and the precipitate is exhausted with ether or chloroform, which dissolves the apomorphine only. |
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A misstep might precipitate him into the dark waters of the rushing stream. |
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The solution is filtered, the precipitate washed and then dissolved in nitric acid. |
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So precipitate was their flight that one barge was overladen and sank with all on board. |
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This may be detected with oxalate of ammonia, which throws down the lime as a clearly perceptible precipitate. |
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Dissolve the precipitate in hydrochloric acid, oxidise with nitric acid, and precipitate with ammonia. |
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This precipitate we treat with cold alcohol, which leaves behind the fatty acids, and dissolves the xanthine. |
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Add ammonia to a solution of perchloride of iron as long as the precipitate formed is redissolved. |
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If a solution of a persalt of iron is now added to the fluid, a blue precipitate is formed. |
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Another portion of the solution gave a slight precipitate with phenyl hydrazine in the cold. |
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If the materials contain phosphorous acid, a precipitate of phosphide of silver is formed which should be collected and washed. |
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After heating, the melted mass will have an alkaline reaction, and give a precipitate with platinic chloride. |
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The yellow precipitate obtained is washed with a solution 605 of potassium acetate and finally with dilute alcohol. |
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Ammonia gives a similar precipitate, which is soluble in excess of the precipitant. |
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A solution of potassa causes a white granular precipitate of cream of tartar, soluble by agitation in excess of the precipitant. |
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This distinguishes it from zinc, which gives a similar white precipitate, but is soluble in the excess of the precipitant. |
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How would she explain to herself his sudden, precipitate journey to London alone? |
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Ferricyanide of potassium deepens the colour, but does not give a blue precipitate, as it does with ferrous salts. |
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A dirty brownish or greenish precipitate will fall, consisting of a mixture of the oxide of iron and Prussian blue. |
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It gives a precipitate with iodine trichloride, and has therefore probably a pyridine nucleus, it may be an acid anilide. |
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A few small crystals of pyrite were then placed in the bottle of solution, and the gold began immediately to precipitate on them. |
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A gelatinous precipitate which dissolves with facility in excess of pyrophosphate of sodium. |
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The precipitate is washed with dilute ammonia, dried, ignited, and weighed as pyrophosphate. |
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The precipitate is collected, washed with ammonia, ignited, and weighed as pyrophosphate. |
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Tannin precipitates, and the precipitate is soluble in excess of the reagent. |
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One river was milk-white with sulphur precipitate, the other had red water, probably owing to iron deposits. |
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In such solutions sulphuric acid produces a white precipitate of baric sulphate, which is practically insoluble in all acids. |
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Wash well the precipitate until it no longer gives a precipitate with barium chloride. |
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A white precipitate of barium sulfate will form if sulfuric acid is present. |
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If it be desired to obtain the alumina as an earthy compact precipitate, bicarbonate of soda is used instead of carbonic acid. |
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If pure, it neither reddens turmeric paper, nor gives a brick-red precipitate with a solution of bichloride of mercury. |
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A white precipitate will be seen in the tube if either oxalic acid or binoxalate of potash has been employed. |
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This precipitate is of a greenish blue colour, and requires a much greater quantity of the black flux to reduce it. |
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The former must be distinguished from the white pulverulent precipitate of borate of silver, which is thrown down from pure borax. |
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The precipitate contains the picrate of trimethylenediamine, mixed with the picrates of cadaverine and creatinine. |
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The calcium hydroxide is added first to precipitate all the acid carbonates. |
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To obtain this the carbazotic acid must be in excess, and time must be given for the precipitate to form. |
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By the addition of caustic soda to cerous salts, a white precipitate of cerous hydroxide is formed. |
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From choline it may be separated by recrystallising the mercuric precipitate from hot water. |
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When, therefore, chromium is not detected in the precipitate, the filtrate should also be examined. |
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A red precipitate of chromous acetate is formed, which is washed by decantation in water containing carbonic acid. |
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If coumarin is present, a brown, precipitate will form, and if stirred with a rod it will collect in dark green flecks. |
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After three hours the precipitate is collected on counterpoised filters and washed. |
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In these pregnant and moving words rang the cri de coeur which was to precipitate the tragedy of Mary Sheppard. |
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The cupreous precipitate must be triturated with lime, after it is nearly dry, to bring out the fine velvety blue colour. |
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The aqueous solution dissolves gold leaf, and with nitrate of silver gives a white, curdy precipitate. |
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On warming the proteid with this reagent, a curdy pink precipitate or a red colour is obtained. |
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To another portion add one drop of hydrochloric acid, and a dense, curdy precipitate will indicate silver, if there be any. |
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Heat the solution and precipitate to the boiling point, and then wash the latter by decantation and filtration. |
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The two solutions are mixed, this precipitate is washed eight times by decantation, collected on a filter and pressed. |
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The alkaline liquor is decanted and neutralised with sulphuric acid, and the precipitate thus formed is washed and collected. |
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He understood the jealous nature, that if given the slightest ground would precipitate an esclandre. |
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A portion of the ethyl acetate solution gave an orange red precipitate with lead acetate showing the presence of fisetin. |
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When freed from the extractive liquor the precipitate weighs about 100 grams. |
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In order to purify it, the precipitate is collected in a filter and expressed between sheets of filter paper. |
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A white, flocculent precipitate results, which rapidly condenses to a crystalline powder, and turns blue on ignition. |
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The precipitate is a very pale green colour, flocculent at first, but crystalline after washing. |
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Flux or frit, coloured with oxide of gold, purple precipitate of cassius, or peroxide of manganese. |
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The whole is well stirred from time to time for 48 hours, and the clear liquor is siphoned off from the precipitate. |
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Monoxide, IrO, prepared by adding potassium hydrate to the hexachloride of iridium, and digesting the precipitate in an acid. |
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Solutions of the chloride also give a heavy precipitate of lead sulphate, when treated with a solution of sodic sulphate. |
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The filtered fluid gives on addition of sodic chloride a precipitate of oxychloride. |
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Sodic phosphate gives a crystalline precipitate of solanine phosphate, if added to a solution of solanine sulphate. |
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Dissolve this precipitate in alcohol or in dilute ammonia, and treat the solution with hydrate of aluminum. |
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The distillate is saturated with hydric sulphide, and any precipitate separated and examined. |
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The colour of the precipitate from hydric sulphide is either yellowish or black. |
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It gives a precipitate with potassium iodide if a solution of the hydrochloride be used. |
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The precipitate was filtered, washed, and decomposed by hydrogen sulphide in a mixture of water and ether. |
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The alcoholic solution of this third lot gave no precipitate with hydrogen sulphide. |
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After standing about twelve hours in a covered beaker the precipitate was filtered off and the tin weighed as stannic oxide. |
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It is distinguished from corrosive sublimate by forming a black precipitate with caustic potash and by its insolubility in water. |
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If there is much sugar, the first drop will throw down a yellow precipitate of suboxide of copper, which becomes rapidly red. |
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Fluosilicic acid and iodate of soda precipitate the salts of the latter earth, but not those of the former. |
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On mixing these two solutions, a precipitate of iodide of silver is formed. |
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More than a mere trace of the precipitate proves that some sulfite was used to preserve the meat. |
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If a precipitate forms on the addition of barium chlorid the presence of sulfurous acid is indicated. |
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If the white precipitate formed by water be treated with sulphuretted hydrogen it becomes orange-coloured. |
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Pour off the supernatant liquid, wash the precipitate with sugared water, express, mix it with 10 oz. |
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Plumbic acetate gives a purplish-red precipitate, mercuric cyanide a blue one, the supernatant liquid being also blue. |
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In referring to the separation of potassium and sodium it is recommended to precipitate out the first in the form of tartrate. |
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On mixing the two solutions, a light bluish-green precipitate of tartrate of copper is formed. |
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The precipitate is now collected on a tared filter, washed, dried, and weighed. |
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If tartaric acid be present, a white, crystalline precipitate of cream of tartar will be produced on agitation. |
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I found that tartaric acid would precipitate the mud, leaving a jug of the water tolerably clear, but then the acid remained. |
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Its lixivium gave some tokens of Sea-salt, by making a white precipitate in a solution of quick-silver. |
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On allowing the liquid to stand for some time a bright yellow precipitate of thallous iodide separates out. |
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Formed by adding potassium hydrate to manganous sulphate, and filtering and drying the precipitate in vacuo. |
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The timid feared hasty acting would precipitate the marshaling of the waverers under the same flag. |
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Thrown down as a white precipitate when trichloride of antimony is poured into water. |
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On addition of a solution of mercuric chloride to the red filtrate, a brown flocculent precipitate was formed. |
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With mercurous nitrate, the platinocyanide of potassium forms a thick smalt blue, and the platinidcyanide a dark blue precipitate. |
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This falls as a black precipitate when a solution of mercurous nitrate is treated with sulphuretted hydrogen or ammonium sulphide. |
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Jenner's stain consists of a solution in methyl alcohol of the precipitate formed by adding eosine to methylene blue. |
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The precipitate is thallous iodide TlI, and contains 61.6 per cent. |
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These solutions fail to give a precipitate with argentic nitrate. |
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If malic acid is present, a voluminous flocculent precipitate will form. |
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Her speciousness and artifices seduced him into a precipitate marriage. |
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Wash, precipitate by decantation, and dissolve in nitric acid. |
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You say I am always either too precipitate or too procrastinating. |
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Over-preparedness, as well as unpreparedness, may precipitate a war. |
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No precipitate with tartaric acid, nor with bichloride of platinum. |
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Dilute the solution and precipitate the acid with barium chlorid. |
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The blacker and denser the precipitate the better is the solution. |
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Sudden strenuous effort, too much sodium in the diet and sudden emotional upset can precipitate symptoms of heart failure. |
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The expedient that suggested itself was precipitate and inartificial. |
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In neutral solutions, zinc gives a precipitate of gallium oxide. |
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The precipitate given by carbonate of sodium from a solution of 100 gr. |
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To Daniel, the blow was all that he needed to precipitate his ruin. |
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If the precipitate fails to dissolve, it is treated with aqua regia. |
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A mixture of bromate and chloride of silver will precipitate. |
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While he was thus tenderly embracing me, Sophia astonished at my precipitate Departure, entered the Room in search of me. |
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If present, ferric ferrocyanide, a blue precipitate, will be formed. |
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But reason returned to me, and I was persuaded that this action could only precipitate a possible catastrophe. |
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The party, being without a head, were in complete confusion and dismay, and made a precipitate retreat, without attempting to recover the remains of their butchered leader. |
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I am very sensible, madam, of the hardship to my fair cousins, and could say much on the subject, but that I am cautious of appearing forward and precipitate. |
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By this warning to Sweden we shall probably prevent war and not precipitate it, and save many thousand lives rather more valuable than the life of that viper. |
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If it were admitted that you who are dissatisfied hold the right side in the dispute, there still is no single good reason for precipitate action. |
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After riding about an hour in this way, the whole party made a precipitate and tumultuous descent into a barn-yard belonging to a large farming establishment. |
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