Palintest Tubetests are integrated with the Palintest photometer system so as to provide a complete system for COD measurement. Palintest COD Tubetests Mercury M are offered in the following ranges:
They are supplied in packs of 25 vials.
The reagent formulations are based on those specified in recognised international standard methods and meet the requirements of conformity testing against national and international standards.
Chloride is an interference to the COD test. Vials offer differing degrees of chloride suppression, so the most appropriate one for your COD and chloride levels should be selected.
The M mercury range is recommended for use where the samples contain chloride. These tubes will suppress up to 2,000mg/l chloride. If your sample has higher levels of chloride you can opt for the 2M range (up to 4,000mg/l chloride suppression). If your sample does not have high levels of choride (less than 100mg/l) then a Mercury free option is available.
What is COD?
A chemical oxygen demand (COD) test is used to measure the amount of organic compounds in a water sample. It measures the capacity of water to consume oxygen during the decomposition of organic matter and the oxidation of inorganic chemicals such as Ammonia and nitrate.
How is COD measured?
COD can be measured using COD tubes and a compatible photometer/spectrophotometer. Tubes must first be digested in an appropriate COD vial digester, cooled, and the COD value can then be read on the meter. We recommend checking out this article here if you need more information on the process.
How do I dispose of COD vials?
COD vials (even the mercury-free ones) contain toxic chemicals that must be professionally disposed of. We are able to provide a number of options for vial disposal - click here.
Hach have replaced LCK414 with LCK1414. The LCK414 cuvette test for measuring the chemical oxygen demand between 5.0 -60 mg/L O2 using the dichromate method has recently changed reference number to LCK1414. This new part number contains 25 vials per box (the LCK414 had 24) and does not need a zero-solution, saving working steps and times. If you would like more information about the LCK1...
A chemical oxygen demand (COD) test is used to measure the amount of organic compounds in a water sample. It measures the capacity of water to consume oxygen during the decomposition of organic matter and the oxidation of inorganic chemicals such as Ammonia and nitrate. The most common method uses COD vials with overall results being achieved in approx 2-3 hours. Before you start, make sure ...
A Chemical Oxygen Demand (COD) test is used to measure the amount of organic compounds in a water sample. It measures the capacity of water to consume oxygen during the decomposition of organic matter and the oxidation of inorganic chemicals such as Ammonia and nitrate. The most common method of COD testing is where a water sample is pipetted into a COD vial that contains pre-measured re...
Spectrophotometers are relied on by a wide range of laboratories, for tests ranging from specific parameters, like chlorine or metals concentrations, right through to complex analyses of reaction kinetics. When choosing a spectrophotometer the range of specifications and price is vast, so take the time to list the features you need before you buy and make sure you choose the right one. [c...
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