1 AR-The standard Mallinckrodt grade of analytical reagents; suitable for laboratory and general use. 2  If the reagent also meets the requirements of the American Chemical Society Committee on Analytical Reagent, it will be denoted as an AR (ACS) reagent.
Clint Eastwood (May 31st, 1930), the American actor, director and producer has won 4 Oscars:-1992: Oscar to the Best Director and Oscar to the Best Picture for 'Unforgiven'.-1992: Oscar to the Best Director and Oscar to the Best Picture for 'Million Dollar Baby'.
Clint Eastwood Net Worth â How Rich is Clint Eastwood. Clint Eastwood is a legendary American actor and director, most well-known for his work in Sergio Leoneâs Dollars Trilogy, and in the Dirty Harry movies. He has eleven Academy Award Nominations, and four wins.