James wrote: > Would the ISA method work with a meter that reads only to tenths?
It will work regardless of the resolution of instrument. The link below is to the Orion Research web site. They manufacture pH meters and other scientific equipment. This link is to a section titled "pH Theory and Practice" and contains a section on pure water testing. http://www.orionres.com/ionguide/english/Ion12eng.html frank key -- The silver-list is a moderated forum for discussion of colloidal silver. To join or quit silver-list or silver-digest send an e-mail message to: silver-list-requ...@eskimo.com -or- silver-digest-requ...@eskimo.com with the word subscribe or unsubscribe in the SUBJECT line. To post, address your message to: silver-list@eskimo.com Silver-list archive: http://escribe.com/health/thesilverlist/index.html List maintainer: Mike Devour <mdev...@eskimo.com>