Document baZaB3NwdrM5J6EKvbj7jOND

10/08/2001 15:58 312-996-7822 SCIENCE LIBRARY DEFORMATION OF CHRYSOTIl* ASBESTOS 387 condenser, the fibers tend to become blistered. In the dark-field image shown in Fig. 3a, precaution was taken to prevent any beam damage; the condenser was not focused, and the beam was tilted in the dark field mode- The condenser was then PAGE V" Fjc. 4. Sample (B): UlCC Standard Reference Canadian chrysotile, (a) and (b) Dark-Held image* that illustrate that the ball milling during the mixing step convert* the chrysolite into a fine-grained polycrynal. The aperture i moved from one part of the ring to another, resulting in an entirely different *et of grains lighting up. <c) The bright-field image from which little information can he obtained.