26 Oct
2004
26 Oct
'04
10:40 a.m.
At 05:26 PM 10/26/2004, Pete Turnbull wrote:
For a different reason, though. There's a slow
double-decomposition
reaction between the calcium carbonate in the shell and the sodium
silicate (water glass) which leaves a layer of relatively impermeable
calcium silicate on the eggshell. Sodium silicate isn't a drying
agent.
The drying action of silica gel (silicon dioxide) is due to adsorbtion,
That's what I get for posting to a list of known pedants without Googling
beforehand to make myself look smarter than I am. :-)
- John