Fully automatic chemical oxygen demand (CODcr) tester

Model: ST600D

R&D Background:

Chemical oxygen demand ( COD ) is a must-measure item in surface water, industrial wastewater, domestic sewage and other water bodies. It is an important indicator reflecting the pollution status of water quality by oxygen-consuming substances, and is also one of the key indicators for the country to implement total emissions.

At present, domestic water quality monitoring laboratories at all levels mainly use manual methods for testing, which is time-consuming, with backward equipment, extremely cumbersome operations, and the accuracy of the data is difficult to guarantee; reagent operations require manual addition, which is also extremely dangerous.

After years of research and development, Jinan Shengtai Technology has launched the fully automatic CODcr determination workstation ST600D , which can automatically batch process more than 45 samples at a time. You only need to manually place the water sample on the work tray, and the instrument can automatically add reagents, automatically micro-boil digestion, quickly cool, automatically rinse, automatically titrate, and automatically identify the titration end point.

Application scope: Applicable to water quality monitoring units at all levels for the determination of chemical oxygen demand ( COD ) in surface water, domestic sewage and industrial wastewater. Especially suitable for the analysis of large quantities of environmental samples.

Reference Standards
GB11914-89 "Water quality - determination of chemical oxygen demand - dichromate method"
HJ828-2017 "Determination of Chemical Oxygen Demand in Water - Dichromate Method"

Product features: It can automatically batch process more than 45 water samples at a time. After selecting the test station, the system can automatically complete the entire experimental process with one click and automatically output the experimental result data, which is convenient for the experimenter to count.

l High and low concentration samples can be measured simultaneously, cross-measured and unaffected;

l Modular module determination, that is, 6 water samples can be quickly transferred to the reagent addition area, digestion area and titration area at one time ;

l The first integrated design of the host machine with built-in compressor cooling circulation system in China, no need for external cooling water;

l The condenser and digestion unit are specially designed, with good sealing and fast separation;

l Automatic lifting technology of condenser tube, automatic addition of reagents above the reflux tube and automatic addition of water for cleaning after digestion;

l Rapid titration technology uses the latest technology of visual sensor that simulates the human eye to identify the titration endpoint, which can quickly and accurately determine the test results.