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More on Volatile Buffers

10 May 2008 - 2:42am

Previously I've mentioned triethylammonium acetate, and ammonium carbonate. These are salts formed by mixtures of volatile stuff - triethylamine, acetic acid, ammonia, and carbon dioxide. Awhile ago I made one I hadn't ever made before.

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Categories: Education

Triacetin (Always liquid, always semi-edible)

8 May 2008 - 3:04am

Triacetin is the glycerol triester of acetic acid:

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Categories: Education

Fmoc (Amino acid condoms)

6 May 2008 - 3:30am

Automated solid-phase synthesis of biomolecules defines 20th century biology. I previously covered a protecting group that is ubiquitous in DNA synthesis, but the Nobel was actually awarded for peptide chemistry.

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Categories: Education

Dichloromethane (Now healthier with 50% less chlorine!)

2 May 2008 - 1:49am

Chlorinated solvents are great solvents. The polarizability of chlorine, moderate electronegativity, moderate volatility, lack of acidic protons or reactivity - it all adds up to a great reaction medium. However, they usually are toxic.

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Categories: Education

Niacin (Nicotine vitamins?)

29 April 2008 - 3:20am

Niacin is also known as Vitamin B3. Interestingly, it's also called "nicotinic acid," and the similarity of the name to "nicotine" isn't coincidental:

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Categories: Education

Isotopic food (Why was I not informed?)

24 April 2008 - 4:59am

Is paying $5/liter for Fiji water not cutting it? Trying to come up with a more environmentally abhorrent, gauche hydration accessory? How would you feel about $1,000/liter, along with some iffy health benefits?

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Categories: Education

Mercury Beating Heart

20 April 2008 - 8:36pm

Oscillating reactions are neat; I should write up one of my favorites sometime... Here, electrons flow from iron metal to mercury (I) sulfate to chromium (VI) oxide. Listen to the video for a step-by step explanation...

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Categories: Education

Molecules in the news...

19 April 2008 - 2:04am

A couple previous molecules of the day were in the news today: polylactide and lead chromate.

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Categories: Education

Inositol (Weird carbs)

16 April 2008 - 3:10am
Categories: Education