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Total hardness

Caldur® residual hardness RG 10 – limit value
Residual hardness limit value determination in the water (limit value: 0.1 °dH)
Caldur® residual hardness RG 10 F – limit value
Residual hardness limit value determination in the water (limit value: 0.1 °fH)
Caldur® residual hardness RG 5 – limit value
Residual hardness limit value determination in the water (limit value: 0.05 °dH)
Caldur® residual hardness RG 50 – limit value
Residual hardness limit value determination in the water (limit value: 0.5 °dH)
Caldur® Total hardness GH – Titration
Total hardness determination in water by titration (0.5 / 0.25 °dH per drop)
Caldur® Total hardness GH 100 – Titration
Total hardness determination in water by titration (1.0 / 0.5 °dH per drop)
Caldur® Total hardness GHT 100 – Titration
Total hardness determination in water by titration (1.0 / 0.5 °dH per drop)
Caldur® Total hardness GR – Titration
Total hardness determination in water by titration (0.1 / 0.05 °dH per drop)
Caldur® Total hardness – Scientific
Determination of total hardness in water by spray titration