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2125851 COD Cuvette Test, 3-150 mg/L O₂

2125851 Hach

Test 'N Tube Reagent Set measures chemical oxygen demand in water and other liquid solutions.

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16 mm Test 'N Tube reagent set measures COD in the range of 3-150 mg/L O₂ in water and other liquid solutions. The product uses dichromate method (8000). Article 2125851 can be used for 25 tests. The product can be evaluated using DR900 colorimeter only.

Sample preparation

It is required to keep the collected sample at the temperature from +2 °C to +5 °C for short-term preservation (up to 24 hours). It is recommended to store the sample at the temperature of -18 °C for long-term conservation (up to 14 days). It is required to transport or keep the sample in the glass or polyethylene container. 2125851 Cuvette test storage conditions are between 15 °C and 25 °C (protected from light).

Brand Hach
Parameter COD
Measuring range 3-150 mg/L O₂
Instrument DR900
Method Dichromate method
Standard method 8000
Digestion required No
Number of tests 25 tests
Storage conditions 15 °C - 25 °C (protected from light)

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