Silylanised Quartz Wool

[WK]

Hi All,
What shelf life would you give on a bottle of silylanised wool once opened and then sampled once a week?
WK

[Peter Apps]

Assuming that it does not get muck into it there is not much reason why it shold not last forever.

Peter

[EnvironLab]

I think the more you handle the stuff, the more active sites you create.