Xll 
POISONS : THEIR EFFECTS AND DETECTION. 
II. HYDROCHLORIC ACID. 
SECTION PAGES 
74. General "Properties of Hydrochloric Acid—Discovery—Uses—Tests . 103,104 
75. Statistics ............ 104 
76. Fatal Dose ............ 104, 105 
77. Amount of Free Acid in the Gastric Juice ...... 105 
78. Influence of Hydrochloric Acid on Vegetation ..... 105, 106 
79. Action on Cloth and Manufactured Articles ..... 106 
80. Poisonous Effects of Hydrochloric Acid—Eulenberg’s Experiments on 
Rabbits and Pigeons ......... 106-108 
81. Effects of the Liquid Acid—Absence of Corrosion of the Skin—Patho¬ 
logical Appearances—Illustrative Cases ...... 108, 109 
82. Post-mortem Appearances—Preparations in various London Museums 109-110 
Detection and Estimation of Free Hydrochloric Acid. 
83. Giinzburg’s Test—Reaction with Benzopurpurin—The Test of A. 
Villiers and M. Favolle—Quantitative Estimation of Free Hydro¬ 
chloric Acid—Sjokvist’s Method—Braun’s Method .... 110-113 
84. Investigation of Hydrochloric Acid Stains ...... 113 
III. NITRIC ACID. 
85. General Properties .......... 113, 114 
86. Use in the Arts ........... 114 
87. Statistics of Poisoning by Nitric Acid ...... 114 
88. Fatal Dose ............ 114 
89. Action of Nitric Acid on Vegetation ....... 115 
90. Nitric Acid Vapour .......... 115 
91. Effects of Liquid Nitric Acid ........ 116 
92. Local Action . . . . . . . . . . . 116, 117 
93. Symptoms . . . . . . . . . . . . 117, 118 
94. Post-mortem Appearances—Preparations in various Anatomical 
Museums ........... 118, 119 
95. Detection and Estimation of Nitric Acid ...... 119-121 
IV. ACETIC ACID. 
96. Symptoms and Detection ......... 121 
V. AMMONIA. 
97. Properties of Ammonia Gas ........ 121 
98. Uses of Ammonia—Official Preparations . . . . . . 121, 122 
99. Statistics ............ 122 
100. Poisoning by Ammonia Vapour ........ 122, 123 
101. Symptoms—Illustrative Case 123 
102. Chronic Effects of Ammonia ........ 123 
103. Ammonia in Solution—Action on Plants .... . 123, 124 
104. Action on Human Beings and Animal life—Local Action on Skin— 
Action on the Blood—Time of Death ...... 124, 125 
105. Post-mortem Appearances ......... 125, 126 
106. Separation of Ammonia—Tests ........ 126 
107. Estimation of Ammonia ......... 126, 127 
VI. CAUSTIC TOTASH AND SODA. 
108. Caustic Potash — Properties. 127 
109. Pharmaceutical Preparations ........ 127 
110. Carbonate of Potash .......... 127, 128 
111. Bicarbonate of Potash . . . . . . . . 128 
112. Caustic Soda — Sodium Hydrate — Properties ..... 128 
