Anyone in USA notice Glacial Acetic Acid difficult to obtain?

[Photo Engineer]

Larry;

Swell begins to take place within 20 seconds through normal film at 68 deg F. This is the average diffusion time of developer into film. The swell starts instantly due to pH and due to water both.

I used to plot this with a device called a swellometer at EK. Swell, in microns, vs time!

PE

 

[DBP]

I used to plot this with a device called a swellometer at EK. Swell, in microns, vs time!

PE

Seriously cool name for the device. Seems like it would lead to endless jokes in the workplace.

 

[Photo Engineer]

Yes, well if your swell is in microns, you are in trouble!



PE