DUROGNOST® I (0-0.1 °dH / 0-2 ppm / 0.2°F) powder limit indicator
€33.20*
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Product information "DUROGNOST® I (0-0.1 °dH / 0-2 ppm / 0.2°F) powder limit indicator"
The DUROGNOST® I (0–0.1 °dH / 0–2 ppm / 0.2 °F) powder test kit is designed for the rapid colorimetric determination of residual hardness in water.
Indicator for determining residual hardness in waterSpecial indicator in powder form for the rapid colorimetric determination of the slightest traces of hardness in the range of 0–0.1 °dH or 0–2 ppm CaCO₃ or 0.2 °f (French hardness). Complete with measuring tubes and dosing spoon.
With the Durognost I Powder Limit Test Kit, you can easily determine whether your water exceeds a specific limit value. The kit uses a powdered indicator that reacts when mixed with water.
The test kit is suitable if you want to check quickly and without complicated measurements whether water is harder than a specified value. It is not suitable if you require exact numerical values for water hardness.
Easy water hardness testing
The test kit uses a chemical indicator that changes colour depending on the threshold value reached. This gives you a clear result without the need for any equipment.
How do I use the indicator?
Dissolve 50 mg (one level measuring spoon) of DUROGNOST I indicator in 10 ml of practically completely softened water. The resulting colours correspond to the following values:
- Green colour: 0 °dH
- Grey colour: approx. 0.025 °dH
- Violet-tinged grey colour: approx. 0.05 °dH
- Red colour: approx. 0.1 °dH and above
Dimensions
| Height | 5,5 cm |
|---|---|
| Length | 9,5 cm |
| Width | 7 cm |
Weight
| Weight | 175 g |
|---|
Other attributes
| Country of origin | EU |
|---|---|
| Customs tariff number | 38221900 |
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