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.
Can I buy chemicals as a private individual?
The majority of chemicals can be purchased by private individuals but there are a number of products which are restricted for a number of reasons. These include Hazardous chemicals, weapon and drug precursor chemicals and other restricted chemicals.
What's the process for buying Chemicals?
Business User - You should have an account with Camlab so we can verify your status, for online purchases you need to be registered on the website against that business account and logged in. For hazardous and restricted chemicals you may need to undergo an additional check. To facilitate this you should provide a company number when making a purchase. New companies or sole traders may need to provide additional proof of a trading business to ensure we can fulfil your delivery.
These checks may add to the delivery times for these items, The delivery time period will not start until the chemical check has been completed; for clarification please phone 01954233110
Private user - For the purchase of Non-Hazardous chemicals you should be a registered user of the website and be logged in to make these purchases.
Guest checkouts for hazardous or restricted chemicals will be cancelled and refunded.
Delivery to Home addresses?
Camlab use a specialist chemicals courier to deliver chemicals, they will not deliver any hazardous chemicals to a residential address. These must be sent to a business address.
Home office license scheme
We are currently unable to supply chemicals to people who possess a home office license for private individuals under that scheme.
Home office scheme for details click here
Are Camlab chemicals suitable for clinical or other medicinal use?
Camlab supply chemicals for laboratory use only, they are not suitable or recommended for any other use.
Are Camlab chemicals suitable for food use?
Camlab supply chemicals for laboratory use only, they are not suitable or recommended for food use.
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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 ...
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