Chapter VII

STANDARD METHODS FOR THE SAMPLING AND ANALYSIS OF COMMERCIAL FATS AND OILS 165-195

1. Scope, Applicability and Limitations of the Methods 165-166
Scope 165
Applicability 166
Limitations 166
Sampling 166-169
Tank Cars 166-167
Barrels, Tierces, Casks, Drums, and Other Packages 168

2. Analysis 169-183
Sample 169
Moisture and Volatile Matter 170-172
Insoluble Impurities 172-173
Soluble Mineral Matter 173
Free Fatty Acids 174
Titer 174-175
Unsaponifiable Matter 176-177
Iodine Number-Wijs Method 177-181
Saponification Number (Koettstorfer Number) 181
Melting Point 181-182
Cloud Test 182-184

3. Notes of the Above Methods 184-196
Sampling 183
Moisture and Volatile Matter 184-187
Insoluble Impurities 187
Soluble Mineral Matter 187-188
Free Fatty Acid 188-189
Titer 189
Unsaponified Matter 190-193
Melting Point 193-196

Plant and Machinery 198-219
Illustrations of Machinery and Layouts of the Plant
of a Modern Soap Making Establishment 198-219

Appendix 219-237

Useful Tables

Index 239