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.
