Die Entwicklung der chemischen Industrie in Deutschland seit dem Jahre 1875: Eine volkswirtschaftliche Studie mit besonderer Berücksichtigung der Unternehmerverbände und der Rentabilität der Aktiengesellschaften1916 - 59 pages |
From inside the book
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Page 14
... heated with Phosphorus Oxychloride ( Neucki ) , it is Phenylate of Sali- cylic Acid . Aspirin is Acetylsalicylic Acid and is made by heating Sali- cylic Acid with Acetic Anhydride , or Acetyl Chloride , and re- crystallizing from ...
... heated with Phosphorus Oxychloride ( Neucki ) , it is Phenylate of Sali- cylic Acid . Aspirin is Acetylsalicylic Acid and is made by heating Sali- cylic Acid with Acetic Anhydride , or Acetyl Chloride , and re- crystallizing from ...
Page 16
... heated with Oxalic or Formic Acid and dehydrating agents . Potassium Permanganate oxidizes Phenol to inactive or Me ... heating Phenol and Caustic Potash with Ethyl or Methyl Iodine in Alcohol solution . Alkali salts of Phenol are ...
... heated with Oxalic or Formic Acid and dehydrating agents . Potassium Permanganate oxidizes Phenol to inactive or Me ... heating Phenol and Caustic Potash with Ethyl or Methyl Iodine in Alcohol solution . Alkali salts of Phenol are ...
Page 24
... heating , even with con- centrated Sulphuric Acid , will form a mixture of both mono- and disulphonic acids . The evolution of Sulphur Dioxide in sulphonation , indicates an oxidation and consequent destruction of a portion of the sub ...
... heating , even with con- centrated Sulphuric Acid , will form a mixture of both mono- and disulphonic acids . The evolution of Sulphur Dioxide in sulphonation , indicates an oxidation and consequent destruction of a portion of the sub ...
Page 36
... heating coils in the tanks , heat the jackets of kettles , supply hot water , dissolve some of the products and for general heating purposes . The engine must drive the main shaft , the counter shafts , the numerous agitators , the ...
... heating coils in the tanks , heat the jackets of kettles , supply hot water , dissolve some of the products and for general heating purposes . The engine must drive the main shaft , the counter shafts , the numerous agitators , the ...
Page 38
... heat- ing and agitation usually necessary at every step . This means specially designed units for practically every- thing . No stoneware , glass or pottery of any kind is required . Only one tank really requires a lead lining , the ...
... heat- ing and agitation usually necessary at every step . This means specially designed units for practically every- thing . No stoneware , glass or pottery of any kind is required . Only one tank really requires a lead lining , the ...
Common terms and phrases
agitator Alcohol Aniline Anthracene apparatus autoclaves Avoirdupois Benzene Benzol BENZOL RECTIFIER blow-case boiler boiling point building capacity Carbolic Acid CAST IRON Caustic Soda cent chamber acid Chem chemical Chemistry chloride closed top Coal Tar coil condensers cost Cresols cubic centimetre Cubic Inches cubic metre decimetre deep diam Dyestuffs Engineer English feet filter presses Fluid Formula fusing fusion gallon gives the melting GLOBE VALVE grains H₂ Hydrogen INLET installation jacketed kilogram knots LEAD LINED liquid litres manufacturers melting point Metal tanks METRIC SYSTEM mile necessary nitrate O₂ ounce OUTLET oxide p-Cresol Pharm Picric Acid pint pounds production pulleys quart reactions Salicylic Salicylic Acid separation tank sheet steel tanks sheets of detail Sodium Phenolate Sodium salt solubility solution square steam sulphate SULPHONATING KETTLE sulphonation Sulphuric Acid Synthetic Phenol plant syphon discharge Tank benches United vapors weights and measures yard Zeit
Popular passages
Page 74 - ... as establishing in- terms of the weights and measures now in use in the United States: the equivalents of the weights and measures expressed therein in terms of the metric system...
Page 77 - ЗОЯ square yards — 1 square rod or perch ; 40 square rods — 1 rood ; 4 roods — 1 acre ; 640 acres — 1 square mile ; 36 square miles (6 miles square) — 1 township. Time Measure: 60 seconds — 1 minute ; 60 minutes— 1 hour; 24 hours— 1 day; 7 days— 1 week ; 365 days — 1 year; 360 days =• 1 leap year.
Page 74 - That the tables in the schedule hereto annexed shall be recognized, in the construction of contracts, and in all legal proceedings, as establishing in the terms of the weights and measures now in use in the United States, the equivalents of weights and measures expressed therein in terms of the metric system...
Page 74 - Greek, and deoi, centi, mili, from the Latin, are used in preference to our plain English, 10, 100, etc., it is best to employ capital letters for the multiples and small letters for the subdivisions, to avoid ambiguities in abbreviations: 1 dekametre or 10 metres = 1 Dm.; 1 decimetre or 1-10 of a metre = 1 dm.
Page 74 - LITRE, unit of capacity, is derived from the weight of one kilogram pure water at greatest density, a cube whose edge is one-tenth of a metre and, therefore, the one-thousandth part of a metric ton. The...
Page 77 - Measure. — 6 feet = 1 fathom; 120 fathoms = 1 cable length; 7J cable lengths = 1 mile; 5280 feet = 1 statute mile; 6085 feet = 1 nautical mile. Paper Measure. — 24 sheets = 1 quire; 20 quires = 1 ream (480 sheets); 2 reams = 1 bundle; 5 bundles = 1 bale. Square Measure.
Page 11 - Aniline for blue," is dissolved in water in a lead lined tank, covered with a hood and provided with stirrers and leaden steam coils. The solution is acidified very strongly with Sulphuric acid, and to the hot liquid a solution of commercial Sodium Nitrite is gradually added, when Phenol is at once formed. In this reaction the Sodium Nitrite in contact with the acid solution, liberates Nitrous acid, which forms Diazobenzene Sulphate with the Aniline Sulphate.
Page 77 - QS, as much as sufficient; Ft. Mist., let a mixture be made; Ft. Haust., let a draught be made; Ad., add to; Ad lib., at pleasure; Aq., water; M., mix; Mac., macerate; Pulv...
Page 77 - APOTHECARIES' WEIGHT 20 grains = 1 scruple. 3 scruples = 1 dram. 8 drams = 1 ounce. 12 ounces = 1 pound.
Page 73 - THE METRIC SYSTEM has been adopted by Mexico, Brazil, Chile, Peru, etc., and except Russia and Great Britain, where It is permissive, by all European nations. Various names of the preceding jvstems are, however, frequently used : In Qermany, U kilogram — 1 pound ; in Switzerland, 3-10 o'fa metre — 1 foot, etc.