
Photometric method
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CALDUR® Ammonium – Photometric
Ammonium determination in water photometric (0.1-3 mg/l NH₄⁺) -
CALDUR® Ascorbic acid – Photometric
Ascorbic acid determination in water using a photometer (0.1-10 mg/l) -
CALDUR® Chlorine (free) – Photometric
Chlorine (free) determination in water using a photometer (0.05-1.0 mg/l Cl₂) -
CALDUR® Chlorine dioxide – Photometric
Determination of chlorine dioxide in water photometrically (0.05-0.5 mg/l) -
CALDUR® Chlorine HR (free + combined) – Photometric
Chlorine HR determination (free + bound) in water using a photometer (1-10 mg/l Cl₂) -
CALDUR® Chlorine LR (free + combined) – Photometric
Chlorine determination (free + bound) in water photometrically (0.05-1.0 mg/l Cl₂) -
CALDUR® Chromium – Photometric
Chromium (VI) determination in water using a photometer (0.02-0.7 mg/l Cr VI) -
CALDUR® Iron LR – Photometric
Determination of iron in water using a photometer (0.2-2.0 mg/l Fe) -
CALDUR® Iron LRS – Photometric
Photometric determination of iron in water (0.01-0.5 mg/l Fe) – Low Range Sensitive -
CALDUR® Copper – Photometric
Copper determination in water with photometer (0.05 – 2 mg/l Cu) -
CALDUR® Aluminium – Photometric
Aluminum determination in water by photometer (0.02-0.3 mg/l Al) -
CALDUR® Chloride HR – Photometric
Chloride determination in water using a photometer – high measuring range (0.2-300 mg/l Cl-)
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











