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La phase organique est ensuite lave successivement par une solution de NH 4 OH 10% (4 x 5OmL, jusqu' ce que la phase aqueuse, basique, n'ait plus de coloration bleue), puis par H 2 O, et enfin par une solution de HCl 10%, et par une solution de NaCl sature
Measuring maximum width 16 cm / 6.29 inches and height 17
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The National Cancer Institute explains that pack-years are calculated by multiplying the number of packs smoked per day by the number of years a person has smoked
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