Master gardener explains what pH means for your soil, how to test it

This week's gardening column addresses the importance of neutral pH in your garden soil, as well as why "princess trees" are ...
Rochester Institute of Technology

Cold Extraction pH Test

IPI tests paper-based materials and adhesives for pH levels using a modification (described in ISO 18902) of the standardized test, TAPPI T 509 Hydrogen Ion Concentration (pH) of Paper Extracts (Cold ...
Power Engineering

Acidity and Alkalinity – Yin and Yang of Water Testing and the Key to pH Compliance

As power plants across the country plan to close ash ponds, the first discharge limit to consider is pH. National standards require all wastewater discharges to comply with a pH between 6 and 9 ...
WebMD

What to Know About a Urine pH Test

The pH scale is used to measure the acidity of a fluid. The pH scale ranges from 0 to 14. A pH of 7 is neutral, whereas a pH result below 7 is acidic and above 7 is alkaline. Urine has the widest ...