Buffer SoIulio7JS 415 



For desired /;H mix correct amounts as indicated below: 



pH acetic acid sodium acetate 



Acetate- Acetic Acid Buffer (walpole) (pH 2.7-6.5) 



STOCK solutions: • » 



M/5 acetic acid: 11.5 ml. (99% assay) and 988.5 ml. distilled water 



M/5 sodium acetate: 2.72 gm. made up to 1000 ml. with distilled 

 water 

 For desired pH mix correct amounts as indicated below: 



pH M/5 acetic acid M/5 sodium acetate 



