Total organic carbon analyzer TOC HTY-CT1000M

In this paper, 680 ℃ catalytic combustion oxidation method was adopted. The sample and purified gas (high purity oxygen) were respectively introduced into high temperature combustion tube and low temperature reaction tube. The samples passed through high temperature combustion tube were oxidized by high temperature catalysis, and the organic carbon and inorganic carbon were converted into carbon dioxide. After acidification of the sample in low temperature reaction tube, the inorganic carbon was decomposed into carbon dioxide Carbon dioxide is transferred by carrier gas into NDIR, and CO2 is detected. The total carbon (TC) and inorganic carbon (IC) in water were measured. The difference between total carbon and inorganic carbon is total organic carbon (TOC). That is: TOC = tc-ic

Performance characteristics

1、For high TOC concentration, it is easy to oxidize organic samples at 680 ℃.

2. Higher safety, multiple protection is adopted for combustion furnace heating, independent of overheat protection circuit of temperature control system, overheat can automatically cut off heating to ensure product safety.

3. Real time traffic monitoring to keep the flow path stable and ensure the reliability of data.

4. The instrument can automatically discharge waste, discharge and feed acid automatically, and the amount of acid input can be controlled stably.

5. Less sample and reagent consumption.

6. The detection of CO2 with NDIR detector has good linearity and accuracy. The CO2 signal is converted into a peak area, and then the TOC value (the difference between TC and IC) is calculated by the built-in data processor.

7. Catalytic combustion oxidation method has strong oxidation ability and can oxidize almost all organic matters with stable performance. 680 ℃ combustion method is almost below the melting point of all salts, which can prolong the life of catalyst and combustion tube, which is very important especially when the determination object is salt water sample.

8. The instrument uses high-resolution 7-inch touch screen, intelligent system and full Chinese interface, which makes the interface friendly and easy to operate.

9. Electronic dual refrigeration module and membrane dehydration technology ensure the dehydration efficiency of the whole system to protect the detector.

10. The product is equipped with a needle printer, which can print and output as required, and the printing results can be saved for a long time.

technical parameter

Ambient temperature: (1-40) ℃

Relative humidity: (10-85)%

Power supply: (220 ± 10%) VAC 50 / 60Hz requires reliable grounding

Power: 1200W when the furnace is heated

Acidifier: 10% phosphoric acid

Gas source: high purity oxygen (≥ 99.999%, with preliminary pressure reducing valve)

Injection mode: manual injection

Combustion furnace temperature: (680-1000) ℃

Test time: (2-4) min

Determination range: (0-1000.0) mg / L (without dilution)

Repeatability: ≤ 3%

TC indication error: ± 0.1% F.S or ± 5% (whichever is greater)

IC indication error: ± 0.1% F.S or ± 4% (whichever is greater)

Linearity: R2 ≥ 99.9%

Response time: (1-4) min

application area

The determination of total organic carbon (TOC) in surface water, groundwater, domestic sewage and industrial wastewater is applied to environmental monitoring, urban water supply and drainage, disease control, chemical power industry and other industries.

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