Has anyone used the Di pyridal paper test strips from CTL Scientific Supply Corp. in Deer Park, NY? They cost less than others I’ve seen available through an archival supply company in the US. Just wondering if they work the same way?
Thanks, Victoria Bunting Paper Conservator Winchester, MA ****** Unsubscribe by sending a message to [email protected] Searchable archives: http://cool.conservation-us.org/byform/mailing-lists/cdl/
