xii TABLE OF CONTENTS 



PAGES 



hydrazones, 44. Experiment Study X; Aldehydes, 45. 

 Acids, 46. Acetic acid series, 47. Formic acid, 48. Ex- 

 periment Study XI; Formic acid, 48. Acetic acid, 49. 

 Glacial acetic acid, 49. Vinegar, 50. Experiment Study 

 XII; Acetic acid and vinegar, 51. Polycarboxy acids, 51. 

 Oxalic acid, 52. Experiment Study XIII; Oxalic acid, 53. 

 Succinic acid, 53. 



Chapter IV. Derivatives of Alcohols and Acms . . 54-65 



Ethers, 54. Ethyl ether, 54. Experiment Study XIV; 

 Ether, 55. Acid chlorides and acid amides, 55. Esters, 56. 

 Simple esters, 56. Fruit flavors, 56. Fats, oils and waxes, 



57. Fatty acids, 57. Glycerol esters, 58. Esterification, 



58. Hydrolysis, 59. Soap, 60. Saponification, 60. Im- 

 portant fats and oils, 60. Physical constants, 61. Chemical 

 constants, 61. Table II; Fats and oils, 62. Experiment 

 Study XV; Esters, 62. Experiment Study XVI ; Fats and 

 soap, 63. 



Chapter V. Mixed Compounds 66-81 



Halogen-aldehydes, 66. Tri-chlor-aldehyde, chloral, 66. 

 Halogen-acids, 67. Hydroxy-acids, 67. Lactic acid, 68. 

 Stereoisomerism, 69. Optical activity, 69. Asymmetric 

 carbon, 71. van't Hoff-Le Bel, 71. Tetrahedral theory, 

 72. Inactive lactic acid, 73. Dextro lactic acid, 74. Levo 

 lactic acid, 74. Malic acid, 75. Tartaric acid, 76. Cream 

 of tartar, 76. Rochelle salt, 77. Tartar emetic, 77. Stereo- 

 isomerism of tartaric acid, 78. Dextro-, levo-, racemic- and 

 meso-tartaric acids, 78. Citric acid, 80. Experiment Study 

 XVII ; Lactic, malic, tartaric and citric acids, 80. 



Chapter VI. Amino-acids, Proteins, Urea, Uric Acid . 82-103 



Amino-acids, 82. Glycine, 84. Hippuric acid, 84. 

 Alanine, 85. Higher amino-acids, 85. Proteins, 87. 

 Physical properties, 88. Chemical properties, 90. Com- 

 position, 90. Analysis, 90. Kjeldahl method, 90, 93. 

 Molecular weight, 90. Hydrolytic decomposition, 91. 

 Polypeptides, 92. Experiment Study XVIII; Proteins, 93. 

 Urea, uric acid and purine bases, 97. Urea, 97. Biuret, loi. 

 Experiment Study XIX; Urea, loi. Uric acid and purine 

 bases, 102. Xanthine, caffeine, theobromine, 103. 



