Agriculture Reference
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12*1.00794 + 6*15.9994. For ease of discussion I have
rounded the results to the nearest gram.
46 I use the American Weigh AWS-100 scale. Complete with
calibration weights it costs less than $20. Graduated cylinders
are likewise ubiquitously available online for less than $10.
Get a glass one rather than plastic. Large syringes are
available from livestock stores and online for less than $3.
You don't need the needle.
47 Phenol is a benzene ring compound with an -OH group on
one of the carbons, making it an alcohol. Polyphenols are
compounds composed of multiple phenol groups bonded
together. The molecular weights of tannins range from 500 to
more than 3000.
48 Ewald, Paul (2002), Plague Time: The New Germ Theory
of Disease
49 I use the Milwaukee pH600. It costs about $20 from
various vendors.
50 K. MacNeil, (2001) The Wine Bible
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