Chemical News and Journal of Industrial Science, Volúmenes31-32Chemical news office, 1875 |
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Página 10
... washed over a filter . Improvements in the treatment of waste or refuse animal or nitro- genous matters , for the purpose of producing fertilising substances or artificial manures . William Crookes , F.R.S. , Mornington Road , Regent's ...
... washed over a filter . Improvements in the treatment of waste or refuse animal or nitro- genous matters , for the purpose of producing fertilising substances or artificial manures . William Crookes , F.R.S. , Mornington Road , Regent's ...
Página 20
... washed , and pressed . The solution of chloride of barium is mixed with hydrate of magnesia , and carbonic acid is passed into the mixture until all the baryta is precipitated . Finally the carbonate of baryta is re - converted into ...
... washed , and pressed . The solution of chloride of barium is mixed with hydrate of magnesia , and carbonic acid is passed into the mixture until all the baryta is precipitated . Finally the carbonate of baryta is re - converted into ...
Página 21
... washed , and with the standard solution of soda the quantity of acetic acid produced by the reaction is determined . Action of Bromine upon Anhydrous Chloral . - A . Ogliaforo . The author expected to obtain the compound C2Cl , Br , or ...
... washed , and with the standard solution of soda the quantity of acetic acid produced by the reaction is determined . Action of Bromine upon Anhydrous Chloral . - A . Ogliaforo . The author expected to obtain the compound C2Cl , Br , or ...
Página 22
... washed , and free from caustic lime , from sulphides , and from chloride of calcium . To avoid every stoppage , and even slowness in the operations . Finally , to evaporate as rapidly as practicable at the lowest possible temperature ...
... washed , and free from caustic lime , from sulphides , and from chloride of calcium . To avoid every stoppage , and even slowness in the operations . Finally , to evaporate as rapidly as practicable at the lowest possible temperature ...
Página 31
... washed perfectly . A violet resinous mass , soluble in alcohol , with a fine violet- red colour . Xylindein . - C . Liebermann . - Xylindein is a green colouring matter developed from decaying oak , beech , and birch - wood under the ...
... washed perfectly . A violet resinous mass , soluble in alcohol , with a fine violet- red colour . Xylindein . - C . Liebermann . - Xylindein is a green colouring matter developed from decaying oak , beech , and birch - wood under the ...
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Términos y frases comunes
acetic acid action adulterated alcohol alkali alum alumina ammonia amount analysis aniline anthracen apparatus appears applied baryta Bill body boiling calcium carbonic acid cent Chemical Notices Chemistry chemists chloride chrysene clause colour compound containing copper crystalline crystals decomposed dilute dissolved distilled ether evaporation experiments filter filtrate gases give glass grms heat hydrate hydrochloric acid hydrogen Improvements insoluble iodide iron liquid London magnesia magnet manufacture matter mercury metallic method methyl milk mineral mixed mixture nitrate nitric acid nitrogen Notices from Foreign obtained ordinary oxalate oxide oxygen paper patent phosphate phosphoric acid plane platinum potash potassium powder precipitate present produced proportion Public Analysts pure pyrites quantity residue salts sample sesquioxide silicates silver Society of Public sodium solid soluble solution substance sugar sulphate sulphide sulphuric acid tartaric tartaric acid temperature tion tube washed weight whilst wine zinc
Pasajes populares
Página 93 - The person purchasing any article with the intention of submitting the same to analysis shall, after the purchase shall have been completed, notify to the seller or his agent selling the article his intention to have the same analysed by the Public Analyst, and shall offer to divide the article into three parts to be then and there separated, and each part to be marked and sealed, or fastened up in such manner as its nature will permit, and shall, if required to do so, deliver one of the parts to...
Página 127 - No person shall sell to the prejudice of the purchaser any article of food or any drug which is not of the nature, substance, and quality of the article demanded by such purchaser...
Página 226 - No person shall, with the intent that the same may be sold in its altered state without notice, abstract from an article of food any part of it so as to affect injuriously its quality, substance, or nature...
Página 107 - I, the undersigned, public analyst for the do hereby certify that I received on the day of 18 , fromf , a sample of for analysis (which then weighed]: ), and have analysed the same, and declare the result of my analysis to be as follows...
Página 75 - Chemical Technology, or Chemistry in its Applications to the Arts and Manufactures. By THOMAS RICHARDSON and HENRY WATTS.
Página 225 - No person ahall, except for the purpose of compounding as hereinafter described, mix, colour, stain, or powder, or order or permit any other person to mix, colour, stain or powder, any drug with any ingredient or material so as to affect injuriously the quality or potency of such drag, with intent that the same may be sold in that state...
Página 238 - ... of CHEMICAL ANALYSIS ; or Practical Instructions for the determination of the Intrinsic or Commercial Value of Substances used in Manufactures, in Trades, and in the Arts. By A. NORMANDY, Author of "Practical Introduction to Rose's Chemistry," and Editor of Rose's "Treatise on Chemical Analysis.
Página 92 - WHEREAS it is desirable that the Acts now in force relating to the adulteration of food should be repealed, and that the law regarding the sale of food and drugs in a pure and genuine condition should be amended: Be it therefore enacted by the Queen...
Página 94 - ... days next after such conviction, with two sufficient sureties, conditioned to try such appeal, and to be forthcoming to abide the judgment and determination of the court at such general or quarter sessions, and to pay such costs as shall be by such...
Página 272 - Committees for the several Sections before the beginning of the Meeting. It has therefore become necessary, in order to give an opportunity to the Committees of doing justice to the several communications, that each Author should prepare an Abstract of his Memoir, of a length suitable for insertion in the published Transactions of the Association, and that...