Letliiard J.B.
Table of contents :
By Jared B. Ledgard……Page 1
B. Methods of Cooling……Page 13
C. Extraction……Page 15
I. For extracting a chemical reaction mixture:……Page 16
4) Salting Out……Page 17
Method 1: Extraction of piperine from black pepper……Page 18
Method 1: Extraction of vanillin from store bought vanilla extract……Page 19
Method 1: Extraction of eugenol from store bought cloves……Page 20
Method 1: Extraction of myristicin from store bought nutmeg……Page 21
Method 2: Extraction of myristicin from nutmeg butter……Page 22
Method 1: Extraction of caffeine from tea leaves……Page 23
Method 1: Extraction of Apiole from parsley seeds……Page 24
Method 2: Extraction of Apiole from oil of parsley……Page 25
Method 1: Extraction of Safrole from sassafras oil……Page 27
I. The recrystallization process……Page 28
II. Filtration……Page 29
I. Washing liquids and solids……Page 31
F. Distillation……Page 32
G. Lab safety……Page 34
H. Laboratory equipment……Page 35
Method 1: Preparation of chloroform from acetone and bleaching powder……Page 37
Method 2: Preparation of chloroform from Rubbing alcohol and bleaching powder……Page 40
The electrolysis process……Page 41
Method 1: Preparation of Iodine from potassium or sodium iodide and bleach……Page 43
Classic sublimation setup……Page 44
Method 3: Preparation of Iodine from potassium or sodium iodide and chlorine gas……Page 45
Also known as: Ether, Ethyl oxide, Anesthetic, Ethoxyethane……Page 47
Method 1: Preparation of diethyl ether from vodka and concentrated sulfuric acid……Page 48
Method 2: Preparation of diethyl ether from vodka and battery acid……Page 49
Method 3: Preparation of diethyl ether from distilled ethyl alcohol (95% alcohol; ABS alcohol; ever clear), with concentrated sulfuric acid or battery acid……Page 50
Also known as: Absolute alcohol; Grain alcohol; Ethyl hydrate……Page 51
Method 1: Preparation of 95% ethyl alcohol from liquor, wine, or beer……Page 52
Method 2A: Preparation of 95% ethyl alcohol from table sugar or common food grade starch (corn starch)……Page 53
Method 2B: Preparation of 95% ethyl alcohol from table sugar, brown sugar, molasses, or juice (improved process)……Page 55
Method 3: Preparation of 99% ethyl alcohol from 95% ethyl alcohol and metallic sodium……Page 56
Final note for method 1: Like most of the apparatus illustrated in this book, the apparatus illustrated in figure 027 can be replaced by any similar set-up. It should also be noted that the illustrations in this book are merely suggestive drawings, and d……Page 58
Figure 036. Apparatus for the distillation of methylene chloride to collect pure nitric acid. The receiver flask should contain some fresh methylene chloride so as to form an air-tight seal by submerging the exit tube below the liquid surface. When the m……Page 63
Figure 038. Set-up for the preparation of anhydrous hydrogen chloride gas. Note: gently heating the reaction flask can help speed up the reaction…….Page 67
Figure 039. Set-up for the preparation of anhydrous hydrogen sulfide gas. Note: gently heating the reaction flask can help speed up the reaction…….Page 69
Sodium hydroxide……Page 104
Sodium chlorate……Page 108
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