Grades of Ethanol
Ethanol is available in a range of purities that result from its production or, in the case of denatured alcohol, are introduced intentionally.
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Famous quotes containing the words grades of and/or grades:
“There are no grades of vanity, there are only grades of ability in concealing it.”
—Mark Twain [Samuel Langhorne Clemens] (1835–1910)
“He suggested that there might be men of genius in the lowest grades of life, however permanently humble and illiterate, who take their own view always, or do not pretend to see at all; who are as bottomless even as Walden Pond was thought to be, though they may be dark and muddy.”
—Henry David Thoreau (1817–1862)