Beschreibung
Litmus papers, refill packs, 5 m rolls, W 10 mm, neutral pH 5 - 8
By roll, 7 mm width and 5 m length.
Delivery without dispenser.
Technical Information
| pH measuring range | 5.0 to 8.0 |
| Transition | to acidic, to alkaline |
| Colour conversion | red → purple → blue |