Verzending 24–48 u • Levering in de hele EU • Veilige chemieverpakking
For qualitative determination of ions and chemical compounds. The test paper changes colour above a specific detection limit.
On the reel, L 5 m x W 7 mm.
| Verification of | Hydrogen sulphide (H2S) Sulphide ions (S2-) |
| Sensitivity limit | 5 mg/l S2- |
| Colour conversion | from white to brown/black |










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