could a ph-sensitive color indicator be used to reveal the presence of a contaminant in a fluid that should be sterile
Sorry, I don't yet have an answer to that question.
Say hello to Evi
Evi is our best selling mobile app that can answer questions about books, music, films, conversions, history, people, places and much more.
To experience the full power of Evi you can download her app for free on iOS, Android and Kindle Fire.