Without oxygen in its free, gaseous state, life as we know it would not be the same. On land, all animal life depends on atmospheric oxygen in a narrow concentration range of around 20%. Too much or ...

BEDFORD, Mass.--(BUSINESS WIRE)--METTLER TOLEDO announced the introduction of the InTap TM 4070i portable dissolved oxygen measuring system. The InTap 4070i is a portable, battery-powered device based ...