COD Testing from Orbeco
| COD TESTING with the 975MP Analyst and Series 942 Mini-Analyst | |
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The Analyst Model 975MP,
Tube Adapter Model 975-TA, COD Reactor  |
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Uses convenient 16mm diameter screw-cap tubes containing a specific oxidizing agent. The tubes, containing reagents and samples, are heated at 150°C for 2-hours (or less under certain conditions) and then are inserted into the 975 TA adapter in The Analyst for a direct test reading. The 2 hour time period is mandatory for EPA approved methods, but COD readings for non-reporting purposes may be obtained in as little as 15 minutes for readily oxidized wastes.
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COD Reactors Hold up to 15 or 30 reagent tubes (16mm) for digestion at 150°C. Compact and solidly built, the units are factory set to the correct temperature. Units include a chemical-resistant safety shield and a thermometer. COD TUBES
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Features of the Orbeco-Hellige micro-COD Method
 Tube Adapter 975-TAFor the Analyst to accept 16mm diameter COD tubes. |
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| COD TESTING with Series 942 Mini-Analyst | |
 Model 942-061 Mid Range COD Tester |
The Orbeco-Hellige Mini-Analyst micro-COD Method offers low cost, simple COD testing fully compatible with USEPA 410.4 and Standard Methods 5220, over 3 ranges. |
| Orbeco COD testers feature Auto-Blank the unique operator-controlled feature found on every Mini Analyst allowing multiple sample readings without having to reinsert blank. |
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3 Models available for low, mid and high range COD testing:
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Uses and Applications for COD Testing:
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COD REACTORS 
Standard tubes meet the official requirements of USEPA. They contain enough mercury to compensate for chloride concentrations as high as 2000 mg/L. Mercury-free tubes, although not USEPA approved, avoid the trouble of disposal. Each package contains 50 screw-cap 16mm diameter tubes with reagent. 