However, direct application of acetanilide may cause methmoglobinemia and damage liver and kidneys. The objectives of the experiment are as follows: 1. to synthesize acetanilide by acetylation of aniline 2. to purify crude acetanilide by recrsytallization 3. to calculate the percentage yield of pure acetanilide
The twelve countries that had significant interests in Antarctica at the time were: Argentina, Australia, Belgium, Chile, France, Japan, New Zealand, Norway, South Africa, the Soviet Union, the United Kingdom and the United States.
Tourism in Antarctica started with sea tourism in the 1960s. Air overflights of Antarctica started in the 1970s with sightseeing flights by airliners from Australia and New Zealand, and were resumed in the 1990s.Private yacht trips started in the late 1960s. The (summer) tour season lasts from November to March.Most of the estimated 14,762 visitors to Antarctica in 1999-2000 were on sea cruises. During the 2009 to 2010 tourist season, over 37,000 people visited Antarctica.ourism companies are required by the Antarctic Treaty to have a permit to visit Antarctica. Many sea cruises by cruise ships include a landing by RIB (Zodiac) or helicopter. Some land visits may include mountaineering, skiing or even a visit to the South Pole.