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Submitted Tutorials:


Building a Ball Mill for Grinding Chemicals

Learn how to build a ball mill for grinding solids into fine powders. Commercial ball mills can cost more than $100, but with this tutorial you'll be able to make one that works just as well for no more than $30!
Views 7709 | Rating 73 | Comments 11| Date Aug 11, 2007

Build a Magnetic Stirrer From An Old Computer

Learn how to build a magnetic stirrer from an old computer for use in the home laboratory. It'll cost you almost nothing!
Views 4886 | Rating 36 | Comments 3| Date Aug 12, 2007

Where to find Household Chemicals

This tutorial will give you all the sources I know of for household chemicals in the United States. This excludes chemical suppliers and ebay. A good majority of these household items are impure sources of chemicals, so in order to obtain just the desired chemical you will have to do some separation.
Views 1066 | Rating 4 | Comments 0| Date Aug 12, 2007

Synthesizing Pyrophoric Iron (iron that spontaneously ignites)

This tutorial will show you make pyrophoric iron from household chemicals. When this finely-divided form of iron is exposed to air, it spontaneously ignites.
Views 5880 | Rating 7 | Comments 1| Date Aug 14, 2007

Assigning Oxidation Numbers to Chemical Formulae

This tutorial is for introductory chemistry students. Learn the five easy steps to assigning oxidation numbers to atoms in chemical formulae. Also, I will give you some problems that teachers love to give on tests because they are "tricky".
Views 1553 | Rating 12 | Comments 2| Date Aug 15, 2007

How to Survive Organic Chemistry Lab

The introductory organic chemistry lab course can be daunting! But with this tutorial, you'll learn some insightful tips and tricks that will help you get a good grade in any organic lab class. This advice comes from the experience of both a student and teacher's assistant.
Views 1435 | Rating 23 | Comments 1| Date May 22, 2010