Portion with no voice-over (First Frame)
The file name of this item is S1085A.JPG and is located in the directory/folder named R1ST/R0257
© 1997 Division of Chemical Education, Inc., American Chemical Society. All rights reserved.
Portion with no voice-over (First Frame)
The file name of this item is S1085A.JPG and is located in the directory/folder named R1ST/R0257
© 1997 Division of Chemical Education, Inc., American Chemical Society. All rights reserved.