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
Click on the item number for more details!
|item||Booklet||pH range||Colour change||Purpose|
|HKON||Congo paper||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|
|HPHE||Phenolphthalein paper||8,3 to 10,0||white to red||Neutralization analysis, Determination of a strong alkaline chemical reaction|
|HLB||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.