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  1. MyHach - Customer Service

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  2. What is CBOD? - support.hach.com

    Jun 26, 2024 · Carbonaceous Biochemical Oxygen Demand (CBOD) represents the Biochemical Oxygen Demand (BOD) from organic (carbon-containing) compounds, as well as the oxidation …

  3. Was ist CBOD? - support.hach.com

    Der kohlenstoffhaltige biochemische Sauerstoffbedarf (CBOD) ist der biochemische Sauerstoffbedarf (BSB) aus organischen (kohlenstoffhaltigen) Verbindungen sowie aus der …

  4. What is the relationship between BOD, COD and TOC? - Hach

    Jun 26, 2024 · Biochemical Oxygen Demand (BOD) can be estimated from Chemical Oxygen Demand (COD) measurements, if a correlation is established. This requires historical data of …

  5. What is NBOD? - Hach

    Nitrogenous Biochemical Oxygen Demand (NBOD) refers to the difference between Biochemical Oxygen Demand (BOD) and Carbonaceous Biochemical Oxygen Demand (CBOD): NBOD = …

  6. Why does the Hach CBOD procedure use a different amount of ...

    Sep 22, 2022 · Previous versions of Standard Methods have referenced varying amounts of 2-chloro-6- (trichloromethyl) pyridine (TCMP) for testing Carbonaceous Biochemical Oxygen …

  7. BOD (Biochemical Oxygen Demand) - Hach

    Jul 10, 2024 · Why are CBOD results lower than BOD results when testing a BOD standard solution formulated from GGA? 939 Views • Jul 10, 2024 • Knowledge

  8. What is the percentage of TCMP in the Nitrification Inhibitor for …

    The Nitrification Inhibitor for BOD, Formula 2533™, TCMP, 35 g (Product # 253335) contains 2% of 2-chloro-6- (trichloromethyl) pyridine (TCMP). TCMP is the active ingredient that inhibits the …

  9. Are there troubleshooting tips for high GGA results when testing

    Sep 26, 2022 · There are two common reasons that results when testing GGA are high. The GGA might be overseeded, or the GGA might be made incorrectly. The most common reason is due …

  10. What is seed, and how is it used in the BOD dilution method? - Hach

    The term "seed" refers to microorganisms that consume the biodegradable organic matter in samples for measurement of Biochemical Oxygen Demand (BOD). Domestic wastewater …