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 -- five-time Oscar winner and eleven-time nominee -- has some advice for people who got snubbed at the Academy Awards this year ... quitâ¦ Clint Eastwood -- five-time Oscar winner and eleven-time nominee -- has some advice for people who got snubbed at the Academy Awards this year ... quitâ¦