For determination of the chemical oxygen demand (ST-CSB). The AQUALYTIC® photometer COD VARIO is suitable for waste-water analysis due to its 3 measuring ranges. The unit ensures operational safety and comfort.
The waste-water parameter CSB:
The chemical oxygen demand, ST-COD-value (ST = small scale sealed tube), of a sample is determined by the dichromate method. The result is a reference value for the theoretical oxygen demand, that is the amount of oxygen consumed which is needed in a total chemical oxidation of the organic constituents present in the water.
Setup AL200COD VARIO:
The COD setup COD VARIO allows for precise water analyses with min. effort. After adding 2 ml of the sample to an AQUALYTIC® COD VARIO tube test, the test is heated to 150 °C in a reactor for 2 h, cooled down and measured in a photometer afterwards.
Items supplied with set-up:
Unit in plastic case, 4 batteries (AA), adapter for round vials Ø 16 mm, 2 sets of tube tests 0 to 150 mg / l, 0 to 1500 mg / l, thermoreactor AL125, vial stand, 2 syringes 1 and 2 ml, manual, warranty and certificate (COC).
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|Tubes tests and standard solutions are available on request.|
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