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Carbonic Acid
Carbonic Acid. (fa., Acide Carboniqu,e ; Ger., It" Ildensiiure.) Formula Co,. Although Carbon Dioxide In Its Natural State Possesses No Acid Properties, And Therefore The Designation " Carbonic Acid" As Applied To It Is Somewhat Misleading, It Seems Desirable, Under The Popular Acceptation Of The Term, To Describe The Nature, ...

Carbonic Disulphide Carbon Bisitlphede
Carbon Bisitlphede, Carbonic Disulphide, Sulphoca.rbonic Acid, Thiocarbonic Anhydrede. (fn., Sulfure De Carbone, Acide Sulfocarbonique ; Ger., Schtrefelkohknatoff.) Cs2 = 76; Relative Weight, 38. Sp. Gr. At 0° (32° F.), 1.0272; At 16° (60° F.), 1.272; Sp. Gr. Of The Vapour At 16' (60° F.) (theoretical), 2.6296; (observed), 2.64-17 ; Boiling ...

Catgut Fr
Catgut. (fr., Cordc De Boyau ; Ger., Katzendarm, Darmsaite.) The Term " Catgut " Is Applied To Membranous Substances Prepared From Animal Intestines, Gene Rally Those Of Sheep, More Rarely Those Of Horse, Ass, And Mule, But Never Those Of The Eat. Two Methods Of Preparation Are Used, According To ...

Cements Fr
Cements. (fr., Ciment ; Ger., Cement.) A Cement Is A Substance, Which, On Being Applied To The Surfaces Of Two Bodies, Causes Them To Adhere Strongly, When Brought Into Contact. For The Purposes Of Easy Reference, A System Of Classi Fication Will Be Adopted In Dealing With This Subject, The ...

Central
Central Americjan.—the Central American, Cartagena, And Guayaquil Rubbers Are Yielded Chiefly By The Ule (castilloa Elastica), A Lofty Tree With A Trunk 8 Ft. Diam., Found In Mexico, Guatemala, Salvador, Honduras, Nicaragua, Costa Rica, Panama, The W. Coast Of S. America Down To Guaya Quil, And The Slopes Of Chimborazo, ...

Character Or The Crude
Character Or The Crude Gas.—at The Moment Of Leaving The Retort The Crude Gas Contains A Mixture Of True Gases With Water Vapour, And Various Solid And Liquid Hydrocarbons. The Following List Gives The Names And Formulas Of The Principal Compounds Which Are Present :— Of These Constituents, The Greater ...

Chitarim Charas
Charas, Chi:tarim, Kies, Or Monmea, Are The Various Names Applied To A Resin Which Exudes In Minute Drops From The Foliage Of The Plant. The Degree In Which This Resin Is Produced Varies Greatly : In India, It Is Copiously Afforded By The Plants Grown At An Altitude Of 6000-8000 ...

Chloral Fr
Chloral. (fr., Chloral ; Ger., Chloral.) Formula C21:1c180. Chloral Is A Peculiar, Oily Liquid Discovered By Liebig, In 1832 ; He Obtained It By The Action Of Chlorine Upon Alcohol. It Is Colourless, Greasy To The Touch, And Possesses A Pungent, Ethereal Odour. At 18°, It Has A Specific Gravity ...

Chlorine Fe
Chlorine. (fe., Morino ; Ger., Chlor.) Symbol, Cl; Combining Weight, 35.5. This Important Element Was Discovered, In 1771, By Scheele, A Swedish Chemist. Its Elementary Character Was First Established By Sir Humphry Davy, In 1810. At Ordinary Temperatures, Chlorine Is A Gas, Having A Yellowish-green Colour (gr. Xiewpris, Green), And ...

Chlorometry
Chlorometry. (fa., Chlorometrie ; Ger., Chlorbestimmung.) Chlorometry Signifies The Methods By Which The Amount Of Free Or Available Chlorine Ga,s, Con Tained In Bleaching Powder, And Other Disinfecting And Bleaching Agents, Is Determined. Commercial Bleaching Powder Consists Of A Mixture, In Variable Proportions, Of Hydrochlorite, Chloride, And Hydrate Of Lime ...

Chromic Acid Fr
Chromic Acid. (fr., Acide Chromique ; Gain., Chromsdure.) Formula This Acid Does Not Occur In Nature, But It May Be Prepared From Its Salts In Several Ways, In The Form Of Beautiful, Deep Red, Needle-shaped Crystals. The Following Are The Most Important Methods : 1. By The Decomposition Of Bichromate ...

Chromium
Chromium Mordants.—several Compounds Of Chromium Are Largely Used In Dyeing And Printing. The Sesquioxide Of Chrome Dissolved In Acids, Such As Sulphuric, Nitric, Or Acetic, Has A Con Siderable Affinity For Textile Fibres, And Also Tor Certain Colouring Matters ; But As It Gives A Pale Greenish Colour, It Is ...

Ciihing
Ciihing.-" Curing '' Einbi Aces The Drying And Whitening Or Bleaching Of The Sugar. The Several Plans Will Be Discussed In Succession. Simple Drainage.—this Is The Oldest And -crudest Method. To Remove A Certain Amount Of The Molasses And Other Impurities, The Semi-liquid Mass, Dug Out Of The Coolers As ...

Citric Acid
Citric Acid. (fn., Acide Citrique ; Gm., Citronsdure.) Formula This Acid Was Isolated And Distinguished From Tartaric Acid, Which It Closely Resembles, By Scheele In 1784. The Citric Acid Of Commerce Consists Of Beautiful White Crystals, Prismatic In Form, And, According To An Analysis By Dr. Ure, Of The Following ...

Clays
Clays. (fa., Glaise ; Ger., Then.) Clays May Be Defined As Hydrous Silicates Of Alumina, Mingled With More Or Less Mineral Im Purities, And Coloured By Metallic Oxides And Organic Matters. Usually They Are Soft, Sectile, And Plastic, Emitting, When Breathed Upon, A Peculiar Odour, Known As " Argillaceous." They ...

Coal Tar Products
Coal-tar. Products. In The Distillation Of Coal For The Production Of Illuminating Gas, There Passes Over With The Gases Into The Condensers, A Variety Of Solid And Liquid Substances, The Former Being Dissolved Or Suspended In The Latter, And The Whole Forming A Thick Or Unctuous Mixture. When The Mass ...