The red litmus will turn blue when it comes into contact with an alkaline solution above pH 6.8. Supplied in plastic snap-cap container, 100 paper strips per container! Litmus paper is NOT used to determine the pH level of a solution.
You are bidding on an used Pocket Colorimeter II by Hach. Missing some accessories. Includes reading unit, single vial, instructions and case. Interior of the case is d
I purchased this at an auction and whenI started to look at it, I was not sure what to call it. I called the E-Science co. in Colorado and they said that according to my description, it was a college level BIOLOGY test kit, so thats what I am calling it.
The BLUE litmus will turn RED when it comes into contact with an alkaline solution below pH 6.8. Supplied in plastic snap-cap container, 100 paper strips per container! Litmus paper is NOT used to determine the pH level of a solution.
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