2020/10/14 · were taken into high range (HR) COD digestion vials (range 20 to 1500 mg/L) for a sample and blank test, respectively. Then, the COD digestion vials were taken into the COD reactor and heated at 150 C for 2 h. Later, the COD
Print PDF Page. Contains mercury. Dispose of according to local, state and federal regulations. For determination of low range Chemical Oxygen Demand (COD) by the Reactor Digestion method. US EPA approved for wastewater analysis using Hach Method 8000. Range: 3-150 mg/L COD. Pack of 150 vials. EPA Approved. Simpler and Safer.
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CPI International manufactures superior quality COD Vials designed to provide consistent and reliable results during the analytical process. These vials are contained in spectrally uniform 16mm glass cells that fit exactly into your COD reactor. Ensure quality in your application as our COD vials are verified for compliance against NIST standards.
Details of Chemical Oxygen Demand Test: 2mL of a water or watse water sample are added to a 16mm glass culture tube containing the digestion reagent and a catalyst. The tube is capped with a polypropylene, PTFE lined cap and heated in a block digester at 150C for 2 hours. The orange Hexavalent chromium is reduced to a greenish trivalent chromium.
2013/01/03 · Soluble COD also fluctuated between 40.87 and 65.14% in micro-aerobic conditions; the highest SCOD was achieved at the time of 40 h. Microbial
2017/06/01 · Digestion Vials e High Range (Hach Company, Loveland, Colorado). Prior to analysis, samples were diluted to be within the range of the analysis ( < 15,000 mg/L COD), and were processed as
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2014/05/30 · used. An Aijiren ASX-520 autosampler was used to deliver the samples, which were held in 50 mL vials. For digestion of food CRMs, a Milestone ETHOS 1 Advanced Microwave Digestion System was used. 0.5 g of sample 3
COD vials, High-range 1500ppm, Qty: 150 B1015.
Determination of COD was conducted using the reactor digestion method (HACH method, 8000) by employing a HACH DR 2800 spectrometer with high range (HR) COD digestion vials (range 200 to 15,000 mg/L). Next, 2 mL of
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