Verzending 24–48 u • Levering in de hele EU • Veilige chemieverpakking
Litmus paper is one of the most well-known and oldest indicator papers. Litmus is a natural product, derived from lichens. By roll, 7 mm length and 5 m width.
Colour change when entering the acid range.
| pH measuring range | 8.0 to 5.0 |
| Transition | Alkali ? acid |
| Colour conversion | Blue ? red |


Verzending 24–48 u • Levering in de hele EU • Veilige chemieverpakking
