Litmus tear roll

 Litmus - krasyaschee substances of natural origin, prymenyaetsya Meter As for definitions of acid-alkaline reaction environment

 How Prymenyaetsya Meter for definitions reaction environment. In practice yspolzuetsya Several forms preparatyvnыh Litmus: Litmus WATER rastvor, stripes and Klochko lentы fyltrovalnoy Paper, litmus propytannыe - Sc. lakmusovaya Paper, "lakmusovoe milk." Poslednyy Convenient Option for naybolee of application in the home.