Shandong Green Kerry Precision Instrument Co., Ltd
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GL-25 COD intelligent digestion instrument
GL-25 COD intelligent digestion instrument
Product details
product overview
G22 typetotal phosphorusThe rapid analyzer is a cost-effective water quality testing equipment newly launched by Greencaire in 2019. It adopts sealed catalytic digestion and then uses colorimetric method for measurement. Advanced cold light source, narrowband interference technology, and microcomputer automatic data processing directly display and print the concentration value of the sample.
The device is equipped with a 4.3-inch full-color LCD screen and a flat UI design interface, which allows for a more intuitive display of detection data.
Guided detection mode reduces learning costs and allows users to easily and quickly get started.
The equipment is equipped with pre made reagents, which do not require users to mix multiple detection reagents. Only the water sample for detection needs to be added.

Detection Principle

The G22 type total phosphorus rapid analyzer is developed and designed based on the "Determination of Total Phosphorus in Water Quality - Ammonium molybdate spectrophotometric method". It uses a closed digestion tube and potassium persulfate as an oxidant to convert all phosphorus containing compounds in the sample into phosphate ions at 125 ℃. Then, under acidic conditions, orthophosphate reacts with ammonium molybdate and potassium antimony tartrate to generate phosphomolybdic acid, which is reduced by the reducing agent ascorbic acid to form a blue complex. The total phosphorus detection item is selected by colorimetric method. The imported cold light source emits a light source signal to the sensor, and the data is processed by RAM processor for direct feedback of the sample concentration value, which is displayed in mg/L.

Product Features
01. Implementation standard: Implement the national standard GB11893-89 to ensure accurate and effective measurement.
02. Accurate detection: Developed according to national testing standards, widely applicable for the detection of production and domestic wastewater.
03. Advantages of light source: Imported cold light source is used, with excellent optical performance and a lifespan of up to 100000 hours.
04. Intelligent operation: The device adopts guided operation, and users can easily complete detection operations according to prompts.
05. Intelligent printing: It can be set to automatically print density results upon completion of detection, or select manual printing mode.
06. Continuous measurement: With multiple samples to be tested, the continuous detection mode can be activated to achieve higher detection efficiency.
07. High cost-effectiveness: Equipped with complete consumables and reagents, low price and minimal usage.
08. Pre made reagents: To provide customers with pre made reagents, simply add the sample to detect the value.
09. Operational safety: Dissolve and compare colors in one, without the need to replace the colorimetric dish for detection, the measurement method is simple and efficient.
10. Intelligent program: 4.3-inch color LCD screen display, combined with the UI interaction system developed by Greencairui, simple and time-saving operation.

Technical Parameter
PRODUCT MODEL G22 type total phosphorus rapid analyzer
Detection parameters total phosphorus
Measurement standards GB11893-89 Determination of total phosphorus in water quality Ammonium molybdate spectrophotometric method
measuring range 0-16mg/L
limit of detection 0.02mg/L
Dissolving temperature 150 ℃, 15 minutes
detection time 20 minutes/10 samples
Indication error ≤ 5% or ± 0.04mg/L
Instrument power supply AC(220V±5%),50Hz
work environment 5-40 ℃, ≤ 85% non condensing
Instrument dimensions 300mm×230mm×115mm
Instrument weight About 2.8kg
Display mode 4.3-inch high-definition color LCD screen
Colorimetric method Colorimetric tube (digestion colorimetric integrated)
Expand functionality PC online

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