In article <6ar46c$m5e$1 at uni.library.ucla.edu>, norton at ucla.edu wrote:
.> To start, try (NH4)CH3COO-, or (NH4)HCO3-. Regarding calculating the pH,
.> there must be manual around or WebSite for the purpose. I hope it is
.> helpful (I mean, either one is within your range:)
.>
> >
> >Hi, does anyone know of a volatile buffer system that buffers around
> pH7.5?
To calculate the pH, use the Henderson Hasselblat (sp?) equation
peter