2048 Woollen Manufactures
2048 Woollen Manufactures. Whether Spinning Or Weaving Was Invented First, Is Now Hopelessly Beyond Discovery, Tlaough The Conjecture May Be Hazazded, With A Great Probability Of Truth, That It Was The Latter. The Form It Would Probably Assume Would Be The Interlacing Of Vegetable Reeds Obtained From The Banks Of ...
38 Acids
38 Acids. Crystals Are Then Emptied Ont, Drained, And The Mother Liquor' Run Into The Evaporating Pan Again, Where It Is Boiled Down To P30 And Again Allowed To Crystallize. The Mothers Are Treated In This Way Till They Yield No Further Crystals, Or Only Show A Slight Tendency To ...
386 Beverages
386 Beverages. The Malt, And In This Way The Starch Is Converted Into A Kind Of Starch Paste ; When Returned To The Tun, This Paste Meets With The Diastase Remaining Unconverted, And Then Very Rapidly Undergoes Change Into Dexttine And Sugar. From The Nature Of The German Process, The ...
42 Acids
42 Acids. Part Of The Body With Comparative Impunity. In One Instance, A Man Employed At A Carbolic Acid Works, Wbo Often Had His Entire Arms Covered With The Acid, Died From The Effects Of Some Of The Same Acid Spilt On His Leg. Associated With The Real Carbolic Acid ...
A Ordinary Examination Of
A. Ordinary Examination Of Fats. (1) Estimation Of Moisture In Fats.-25 Grm. Of The Fat Are Weighed Into A Carefully Tared Porcelain Dish, Which Is Then Placed Over A Low Gas-flame, And Stirred With A Thermometer, Taking Care That The Temperature Is Maintained Above 100° (212° F.), But Not Exceeding ...
A Without Coal Tar
A. Without Coal-tar Colouns.—.red : (a) 4 Oz. Ground Brazil Wood, And 3 Pints Vinegar, Boiled Till Reduced To 1 Pint, And 3 Oz. Powdered Rock Alum Added. (b) I Lb. Raspings Of Brazil Wood, Infused In Vinegar For 2-3 Days ; Boil The Infusion For 1 Hour Over A ...
Acetate Lime
Lime, Acetate Of.—this Salt, In Its Pure Solid State, Forms Silky Needle-shaped Crystals With A Bitter Taste, Which Effloresee Iu The Air, And Are Soluble In Water And Alcohol. Decomposed By The Action Of Heat, Acetone And Carbonate Of Lime Are Formed. It Is Obtained By Dissolving Chalk In Acetie ...
Acetate Zino
Zino, Acetate Op.—this Salt Is Only Of Slight Importance ; It Is Used Medicinally, In A Diluted State, As An Astringent Lotion, And, Occasionally, In Printing : It Gives A Fine Orange-yellow On Silk And Cotton, But Owing To Its Weak Affinity For The Fibre The Colour Is Very Unstable. ...
Acetate Of Sodium
Sodium, Acetate Of (len. Terre Foliee ; Ger. Essigsiiure Natron.)--this Salt, One Of The Most Huportant Or The Acetates, Forms Small Oblique Rhombic Prisms, Soluble In 31. Parts Of Cold, And Lit Parts Of Hot Water ; Also In Alcohol, In Various Proportions Depending Upon The Strength Of The Solvent. ...
Acetates Alumina
Alumina, Acetates Of.—acetic Acid Forms With Alumina A Series Of Salts, The Exact Constitution Of Which Is Still Somewhat Doubtful, But Which Are All Exceedingly Valuable In The Arts. The Sesquiacetate, Or "red Liquor" Of The Calico-priuters, Is Perhaps The Most Extensively Used. It Is Obtained By Mixing Solutions Of ...
Acetates Copper
Copper, Acetates Or—technically Known As Verdigris. (fr., Vert-de-gris ; Ger., Griinspan.)—= There Are Two Principal Acetates Of Copper, Common Verdigris— A Sub-acetate—" Bine " Or " Green,' Obtained By Exposing To The Air Plates Of Copper In Cont,aet With The " Mare " Or Refuse Of Grapes (i. E. The ...
Acetates Iron
Iron, Acetates Of.—under Tho Name Of "black" And "iron Liquor," Two Of These Salts Are Largely Manufactured, The Acetate Of The Protoxide And The Acetate Of The Sesqoioxide Or Peroxide. Upon Concentration, The Former Crystallizes In Small Greenish White Needles, Very Soluble In Water. Both Solution And Crystals Rapidly Absorb ...
Acetates Lead
Lead, Acetates Of.—the Most Important Of This Series Of Salts Is The Neutral Acetate, Tech Nically Termed "sugar Of Lead" From Its Sweet, But At The Same Time Astringent, Taste. It Is Also Called Salt Of Saturn (fa. Sucre, Or Sel, De Saturne ; Gee. Bieizucker), When Carefully Prepared, Sugar ...
Acetic Acid
Acetic Acid. (fn., Acido Acetique ; Ger., Esci),siltirc). Formula Of The Hydrated Acid C21-1402 ; Of The Anhydl.ous C411,02. Specific Gravity Of Tho Hydrated Acid 1.064 ; Of The Anhydrous, According To Gerhardt, 1.073. Boiling Points 101° (219' F.) And 137° (278° F.) Respectively. Pure Acetic Acid Is A Thin ...
Acid
Acid. (fe., ; Ger., Aura.) The Term "acid" (latin, Acidus, Sour) Is Applied In Chemistry To A Very Large And Important Class Of Compounds, Possessing Certain Distinctive Properties. The Most Characteristic Of These Is The Power Of Uniting With Alkalies Or Bases To Form Salts Which Have Neither Acid Nor ...
Acid From
Acid From Sulphides.—we Have Already Remarked That In Comparatively Recent Times Sulphur Has Been To A Very Great Extent Displaced By Various Metallic Sulphides In The Manufacture Of Sulphuric Acid. Principally Iron Pyrites Is Used ; But In Many Places Copper Pyrites Also, And Even Zinc-blende Is So Roasted That ...
Acorus Calamus
Acorus Calamus. The Common Sweet-flag. This Plant Belongs To The Genus Acorus, Of The Natural Orders Aroidecg Or Aracem (arum), Or, According To. Some Botanists, Of The Natural Order Orontiaccw, Which Is Regarded As A Connecting-link Between Aroidem And Juncem. The Plants Of This Genus Have A Leaf-like Scape, Which ...
Adulterations And
Adulterations And The Nature Of The Ordinary Impurities Contained In This Acid Is Well Known, And Most Books On Analysis Profess To Give Methods For Their Detection, Alfred H. Allen Has Found Some Of The Processes Very Unreliable, And Others To Require Special Precautions Not Always Observed. The Following Remarks ...
Afriqan
Afriqan —much Ignorance Still Prevails Conceraing The Sources Aad Collection Of The .a.frican Rubbers. The 1v1ozambique And Lvladagascar Kinds Are Obtained From The Clinabing Shrubs Ved-here Or Voa-canja (vahea Madagascariensis), Vod-hini (v. Comorensis), And V. Gummifera. The Product Of One Of Tlaese Species Is Said To Be Much Superior To ...
Albumen Or Albumin
Albumen Or Albumin. (e•e., Albumen, The White Of An Egg.) Albumen, Nn Organic Nutritive Principle, Is A Constitnent Of All Animal Fluids And Solids. The White Of Eggs Contains 12 Per Cent. Of Albumen, And The Fluid Portion Of Blood, Or Serum, 7 Per Cent. It Occurs Also In The ...
Alcohol Fr
Alcohol. (fr., Alcool ; Ger., Alhohol.) Formula, C21160. Pure Alcohol Is A Liquid Substance, Composed Of Carbon, Hydrogen, And Oxygen, In The Following Proportions :— 100.00 It Is The Most Important Member Of An Important Series Of Organic Compounds, All Of Which Resemble Each Other Closely, And Possess Many Analogous ...
Alcohol Froh
Alcohol Froh Beet.—beet Contains 85 Per Cent. Of Water, And About 10 Per Cent, Of Sugar, The Remainder Being Woody Fibre And Albumen. The Conversion Of The Sugar Into Alcohol Is Effected In Several Different Waysi, Of Which The Following Are The Principal :—(1) By Rasping The Roots And Submitting ...
Alcohol From
Alcohol From Molasses.—another Common Source Of Alcohol Is Molasses Or Treacle. Molasses Is The Unerystallizable Syrup Which Constitutes The Residuum Of The Manufacture And Refining Of Cane And Beet Sugar. It Is A Dense, Viscous Liquid, Varying In Colour From Light Yellow To Almost Black, According To The Source From ...