1998/01/01 · All reactors were stirred by flat-blade turbines at 180 rev/min. Anoxic reactors were covered and sparged with nitrogen gas to limit oxygen intrusion. The wastewater feed rate was 20 ml/min. Underflow from the secondary settler
2018/08/01 · Soluble chemical oxygen demand measured colorimetrically based on standard methods 5220D (). The method was based on digestion of sample in High Range COD Digestion Vials (HACH Company, USA) at 150 C for 120 min
For determination of Chemical Oxygen Demand (COD) by the Reactor Digestion Method, using TNTplus vials. Hach Method 8000. Range: 20-1500 mg/L COD. Pack
Vial Vials Test Glass Sample Vial Free Sample Amber Borosilicate 9mm High Recovery Vial 0.45um Pvdf Sterile Vials For Water Testing Rounded Bottom Glass Test Tube US $6.50 / Pair 1 Pair (Min. Order)
R 1,335.37 – R 5,520.00 inc VAT. COD vials for testing Chemical Oxygen Demand. One of the most common tests used in effluent testing. Vials are available in 16mm format or the LCK 13mm format. Standard vials and Mercury
2020/11/19 · The COD Test Tube produced by Aijiren is often used for chemical oxygen demand testing. The process is as follows: 2mL of water or fresh water sample is added to a 16mm glass culture tube containing digestion agent and catalyst. Cover the tube with a polypropylene lined polypropylene tube and heat it in a block digester at 150°C for 2 hours.
Hach’s USEPA-approved dichromate COD Method is the most widely used chemical oxygen demand method in the world for NPDES reporting and for easy process monitoring. Chemical Oxygen Demand 8000: Low Range and High Range 10211: Ultra-low Range 10212: Ultra-high Range 10067: Mercury-free Manganese III Digestion Method with chloride removal 10067: Mercury free Manganese III Digestion
Accessories for the SPECTRONIC 20 and 20D. Thermo Scientific UV-Vis. Takes 1/2" diameter test tubes or 10-mm round cuvettes; ability to accommodate hatch COD vials. Test Tube Adapter, 3/4" For one 8420R45 test tube, 3/4" o.d. x 6" long; replaces standard holder in
content of chemical oxygen demand (COD), 50,000 mg/L, biological oxygen demand (BOD), 30,000 mg/L, oil and grease, 6000 mg/L, suspended solids, 59,350 and 750 mg/L of total nitrogen can easily cause severe pollution of
The 910 colorimeter is a rugged, waterproof, single parameter instrument for the measurement of COD (chemical oxygen demand). The EPA-approved COD test is useful for performing rapid, frequent monitoring of treatment plant efficiency, and results allow quick response to changing conditions in the waste stream while the traditional BOD5 test takes 5-days to determine results.
Hazardous materialNoVial categoryVialVial typeScrew neck vialNominal diameterN 9Vial materialClear glass, 1st hydrolytic class glassVial dimensions11.6 mm x 32.0 mmVial diameter11.6 mmVial height32.0 mmUsable volume1.5 mLVial openingWideWriting patchNoSilanizedNoAdditional vial featuresNot available or not applicableBottom shape of the vialFlat bottomRecommended application(s)GC
Vials and caps for analysis and for sample storageOur portfolio contains autosampler vials and caps for HPLC and GC for all common instrument manufacturers, such as Waters, Aijiren, Shimadzu and others. It is completed by lab accessories, like vial containers and racks or crimpers / decappers. Storage vials for liquid or powdery samples are available as well.
White 96-well polystyrene microplate has clear flat bottom wells that are 60% thinner than conventional plates, resulting in lower background fluorescence and enabling readings down to 340nm. Individually wrapped microplate has a total well volume of 360µL and a recommended working volume of 75 to 200µL with a cell growth area of 0.032/cm2.
The Barnant 4846400 chemical oxygen demand (COD) vial adapter is intended for use with spectrophotometers and portable laboratories (sold separately). The adapter allows the use of sample cells in instruments that normally take a 25mL cell. Thermo Fisher Scientific manufactures analytical instruments, laboratory equipment, consumables, and
Chemical Oxygen Demand (COD) Vial. Dichromate reactor digestion reagents for fast, easy, safe determination of low-, mid-, and high-range C.O.D. levels in wastewater. Premeasured reagent is packaged in flat-bottom ampules that are compatible with most spectrophotometers. Reagents have a two-year shelf life.
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