Solution Manual For Environmental Organic Chemistry.zip
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Many heavy metal perchlorates and organic perchlorate salts are extremely sensitive explosives; the ammonium, alkali metal and alkali earth perchlorates are somewhat less hazardous. Mixtures of perchlorates with many oxidizable substances are explosive. Cold 70% perchloric acid is a strong acid but is not considered to be a strong oxidizing agent; however more concentrated solutions are good oxidizers. Work with >85% perchloric acid requires special precautions and should be carried out only by specially trained personnel and in specially designed fume hoods.
Piranha solution should be made fresh before use; it should never be stored. Piranha should only be prepared and handled in clearly labeled glass containers (preferably Pyrex) inside of a fume hood free and clear of all chemicals (especially organic compounds). When preparing piranha, always add the peroxide to the acid. If the peroxide concentration is greater than 50% in a piranha etch, the solution can explode.
Note that acid or base solutions containing organic or inorganic impurities (e.g. base baths or acidic solutions used to clean glassware) must not be flushed down the drain even if neutralized. These solutions must be collected for chemical waste disposal by Research Safety. 2b1af7f3a8