
Titration method
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CALDUR® Sulfite T – Titrimetric
Sulfite determination in water by titration (5 mg/l SO₃²⁻ per drop) -
CALDUR® Carbonate hardness CH – Titration
Determination of carbonate hardness in water by titration (0-20 °dH) -
CALDUR® Carbonate hardness CH 5 – Titration
Determination of carbonate hardness in water by titration (0-10 °dH, high resolution) -
CALDUR® Chloride – Titration
Determination of chloride in water by titration (5-250 mg/l Cl-) -
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® Chlorine dioxide – Titrimetric
Chlorine dioxide determination in water by titration with thiosulfate (2.5 mg/l ClO₂ per drop) -
CALDUR® PM value – Titrimetric
PM value determination (p-value/m-value) in water by acid-base titration (0.5 / 0.25 mmol/l per drop) -
CALDUR® Sulfate 10 mg – Titrimetric
Determination of sulphate in water by precipitation titration (10 mg/l SO₄²- per drop) -
CALDUR® Sulfate 20 mg – Titrimetric
Determination of sulphate in water by precipitation titration (20 mg/l SO₄²- per drop)
Which instrument suits your application?
Tell us the parameter, measuring range and place of use – for example residual hardness after softening in the boiler house. We will recommend the right analyser or test kit and the matching accessories.
Made in GermanyISO 9001 (TÜV NORD)Experience since 1975personal advice










