The Lyphan booklets are delivered without colour scale. They are used for the general test of acidic and alkaline (base) reaction. They are not for determining a numerically accurate pH value.
Booklets with 100 strips
All products in this group at a glance
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|5,0 to 3,0
|red to blue
|Neutralization analyses, acid testing in the medical field (eg free hydrochloric acid in the stomach), detection of lactic acid bacteria in culture media
|8,3 to 10,0
|white to red
|Neutralization analysis, Determination of a strong alkaline chemical reaction
|Litmus paper blue
|8,0 to 5,0
|blue to red
|Testing acidic or alkaline reactions, testing neutralization
Instructions for use pH indicator paper:
Dip the test strip in the solution for 1 to 2 seconds.
Thereafter read the change of colour.