Chemical Analysis
 

March, 1996. Exploring Chemical Bonds
Cost:$0-100	Difficulty:	Danger 2: (Minor injury possible)	Utility:
January, 1986. An Inexpensive Homemade Polarimeter Can Analyze Optically Active Compounds
Cost:$0-100	Difficulty:	Danger 1: (No hazards)	Utility:
February, 1981. How Can the Amateur Detect Metals in Air, Liquids or Solids. Sam Epstein Discourses
Cost:$0-100	Difficulty:	Danger 3: (Serious injury possible)	Utility:
May, 1975. Making a Refractometer for the Identification of Liquids
Cost:$0-100	Difficulty:	Danger 2: (Minor injury possible)	Utility:
September, 1968. Making an Apparatus That Will Measure the Acidity or Alkalinity of Solutions
Cost:$0-100	Difficulty:	Danger 3: (Serious injury possible)	Utility:
September, 1967. How to Construct a Gas Chromatograph That Can Measure One Part in a Million
Cost:$100+	Difficulty:	Danger 3: (Serious injury possible)	Utility:
June, 1966. How to Build a Gas Chromatograph and Use It to Separate the Components of Mixtures
Cost:$100+	Difficulty:	Danger 2: (Minor injury possible)	Utility:
February, 1965. On Constructing and Using a Photoelectric Colorimeter for Various Chemical Analyses
Cost:$100+	Difficulty:	Danger 1: (No hazards)	Utility:
July, 1963. How to Generate Free Radicals and Collect Them for Analysis
Cost:$100+	Difficulty:	Danger 3: (Serious injury possible)	Utility:
September, 1962. How to Build a Polarograph, a Sensitive Instrument for Making Chemical Analyses
Cost:$0-100	Difficulty:	Danger 3: (Serious injury possible)	Utility:

Chemical Properties
 

July, 1978. Chemical Systems That Oscillate Between One Color and Another
Cost:$0-100	Difficulty:	Danger 3: (Serious injury possible)	Utility:
January, 1976. How an Amateur Can Construct a Model of an Enzyme Molecule At Modest Cost
Cost:$0-100	Difficulty:	Danger 1: (No hazards)	Utility:
February, 1973. Molecular Models and an Interferometer That Can Be Constructed At Modest Cost
Cost:$0-100	Difficulty:	Danger 1: (No hazards)	Utility:
June, 1969. Salts React in a Gel to Make the Colorful Liesegang Bands
Cost:$0-100	Difficulty:	Danger 2: (Minor injury possible)	Utility:
May, 1969. How to Blow Soap Bubbles That Last for Months or Even Years
Cost:$0-100	Difficulty:	Danger 1: (No hazards)	Utility:
January, 1968. On Equipment to Study Freezing and on Growing Crystals of Salt
Cost:$0-100	Difficulty:	Danger 1: (No hazards)	Utility:
January, 1963. Experiments with Ptyalin Demonstrate the Basic Principles of Enzyme Action
Cost:$0-100	Difficulty:	Danger 1: (No hazards)	Utility:

Lab Techniques
 

April, 1994. The Kitchen As a Lab
Cost:$0-100	Difficulty:	Danger 2: (Minor injury possible)	Utility:
November, 1991. Painting in Color Without Pigments
Cost:$0-100	Difficulty:	Danger 3: (Serious injury possible)	Utility:
August, 1986. Retracing the Steps By Which Aluminum Metal Was Initially Purified Back in 1886
Cost:$100+	Difficulty:	Danger 3: (Serious injury possible)	Utility:
June, 1981. The Physics and Chemistry of Lemon Meringue Pie
Cost:$0-100	Difficulty:	Danger 1: (No hazards)	Utility:
September, 1972. Mead, the Drink of the Vikings, Can Be Made (Legally) By Fermenting Honey in the Home
Cost:$0-100	Difficulty:	Danger 1: (No hazards)	Utility:
February, 1971. Experiments with a New Standard Filter Material That Has Extremely Fine Pores
Cost:$0-100	Difficulty:	Danger 2: (Minor injury possible)	Utility:
November, 1967. How to Make an Electrochemical Cell and Also an Unusual Kind of Sundial
Cost:$0-100	Difficulty:	Danger 4: (POSSIBLY LETHAL!!)	Utility:

Organic Chemistry
 

January, 1970. Experiments in Generating the Constituents of Living Matter From Inorganic Substances
Cost:$100+	Difficulty:	Danger 4: (POSSIBLY LETHAL!!)	Utility: