Robotic Analyzer for the Measurement of COD ST 10
The Dintok ST 10 is extremely suitable for the cost-effective automation of St-COD analysis. The analyzer consists of a XYZ sample-handling station with a sample capacity of 96 tubes. A gripper is used to transport the tubes to the different positions. Furthermore the analyzer is equipped with a thermo reactor (capacity 96 tubes) and a mixing device, for mixing the tubes before heating and measuring. A photometer is connected to measure the samples and the measured value is transferred to a PC.
Specification :
Features Dintok ST 10 include:
· Complete “walk-away “automation; mixing, heating, cooling and photometric detection are fully automated
· COD Analysis according to ISO 15705 and EPA 410.4
· User-friendly, minimized handling of toxic chemicals by laboratory staff
· Environmentally friendly, less reagents
· Flexible, compatible with different COD meters and reaction tubes
· Barcode identification
· User definable print-out
· Export to LIMS, Excel, etc.
Most laboratories are familiar with the well-known chemical oxygen demand or COD value of water. The Chemical Oxygen Demand (COD) test is intended for the examination of waters of various qualities.
The COD value of water as determined by this dichromate method can be considered as an estimate of the theoretical oxygen demand, i.e. the amount of oxygen consumed in total chemical oxidation of the organic constituents present in the water.
This small scale sealed-tube COD test method can be used for any aqueous sample, i.e. water suitable for domestic or industrial supplies, surface water, ground water, cooling or circulating water, boiler feed water, treated and untreated sewage or industrial waste water and saline waters.
Dintok latest development is the ST 10COD robotic analyzer, which has been designed for the cost-effective automation of COD analysis. Thisrobotic analyzer offers a real walk-away concept for the sealed-tube method according to ISO 15705 and EPA 410.4.
The ST 10 analyzer consists of a XYZ sample handling station with a sample capacity of 96 tubes. Higher capacity is possible on our St-50COD robotic analyzer.
After the homogeneous sample is added into the reaction tubes by the operator, the tubes are placed in the sample racks and the analyser is started. The analyser will pick-up the tubes and mixes them. Then the tubes will be automatically positioned in the reactor where they are heated for two hours at 150 ºC. The analyser keeps track of the reaction time per tube.
When the reaction time is completed the analyzer places the tubes in the sample rack to cool down to 60ºC, after which they are mixed when still being warm. After the samples are cooled down to ambient temperature they will be measured with a photometric detector on the required wavelength The concentration is shown in the result screen of the software and the data can be transported to the LIMS system.
Dintok ST 10 robotic analyzer can also be configured to automate one of the following applications:
· BOD (Biochemical Oxygen Demand)
· PH in soil and water
· Conductivity
· Ammonia ISE
· Chloride
· Hardness
· Alkalinity
· Oxygen
· Turbidity
· Color
Also all our robot analyzers can be used as sample preparation unit such as dilution station, sample splitter or titration sampler.
High-Throughput, Precision COD Analysis with the Robotic Analyzer for the Measurement of COD ST 10
Transform your water quality testing workflow with the Robotic Analyzer for the Measurement of COD ST 10—an intelligent, automated system designed for laboratories requiring fast, accurate, and compliant chemical oxygen demand (COD) measurements. Ideal for environmental labs, wastewater treatment facilities, and industrial monitoring, the ST 10 combines robotics, precision optics, and regulatory-grade chemistry to deliver lab-quality results with minimal human intervention.
Automated COD Testing, Engineered for Accuracy
The Robotic Analyzer for the Measurement of COD ST 10 performs fully automated sample preparation, digestion, cooling, and spectrophotometric analysis—reducing exposure to hazardous reagents and eliminating manual pipetting errors. Compliant with ISO 15705 and APHA Standard Method 5220, it ensures reliable, traceable results for regulatory reporting and process control.
- 10-Position Robotic Sample Carousel – Unattended processing of up to 10 samples per batch with barcode scanning (optional).
- Integrated Digestion & Cooling – Precise 150°C digestion for 2 hours followed by rapid, controlled cooling—fully automated.
- Spectrophotometric Detection – Measures absorbance at 600 nm for high-accuracy COD quantification (range: 0–1,000 mg/L, extendable).
- Reagent Management System – Auto-dosing of pre-measured, sealed COD vials or liquid reagents with low-waste design.
- Touchscreen Interface + Data Export – Onboard display with real-time status; export results via USB, Ethernet, or LIMS integration.
- Safety & Compliance Ready – Fume extraction, leak detection, and audit trail support GLP/GMP and environmental regulations.
Why Labs Trust the ST 10 for COD Analysis
Manual COD testing is slow, hazardous, and inconsistent. The Robotic Analyzer for the Measurement of COD ST 10 solves these challenges by automating the entire process—from sample to report—while improving repeatability and operator safety. Its compact footprint fits into standard lab benches, and its modular design allows future upgrades for BOD, TOC, or ammonia testing.
Whether you’re managing daily effluent compliance or conducting research-grade water analysis, the ST 10 delivers speed, precision, and peace of mind.
Upgrade to smart, robotic COD analysis—where accuracy meets automation.
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