pH 10 : Chemistry and Chemical Disasters. A relative scale of how acidic or basic (alkaline) a material is; the scale goes from 0 to 14; 7 is neutral, acids have pH values less than 7 and bases have pH values higher than 7
EESiFlo North America, Terminology and Glossary: Water Terminology, Pennsylvania, USA 2002. flowmeterdirectory.com/flowmeter_terminology, (Wtr - Amer) {580}