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TW-8000 Infrared Spectrometer for Oil Analysis
Product Overview Product Introduction This instrument is mainly used for measuring the oil content in industrial wastewater, as well as for monitoring
Product details
Product Introduction
This instrument is mainly used for measuring the oil content in industrial wastewater, and can also be used for monitoring the oil content in flue gas and solids in the catering industry. This instrument is a professional instrument for measuring the oil content in water, gases, and solids.
availableEnvironmental monitoring system、Petrochemical, hydrological and water conservancy, tap water, sewage treatment plants, thermal power plants, steel enterprises, university research and teaching, agricultural environmental monitoring, railway environmental monitoring, automobile manufacturing, marine environmental monitoring, transportation environmental monitoring, environmental research and other testing rooms and laboratoriesuse.
according toHJ637-2018Standard, water samplepH≤2Under the conditions of extraction with tetrachloroethylene, determine the oil content; After removing polar substances such as animal and vegetable oils by adsorbing the extract with magnesium silicate, determine the petroleum content. The content of oil and petroleum is determined by the wavenumber, which is2930cm-1(CH2Within the functional groupC-HThe stretching vibration of keys)The2960cm-1(CH3Within the functional groupC-HThe stretching vibration of keys)and3030cm-1(In aromatic ringsC-HThe stretching vibration of keys)Absorbance at [location]A2930TheA2960andA3030Calculate based on the correction coefficient; The content of animal and vegetable oils is the difference between the content of oil and petroleum.
execution standard
HJ637-2018 《Water quality - Determination of petroleum, animal and vegetable oils - Infrared photometric method
How to translate GB8978—1996
Comprehensive Wastewater Discharge Standards
How to translate
GB18483-2001 "Emission Standards for Cooking Fumes in the Catering Industry How to translate
GB18918-2002 "Pollutant Discharge Standards for Urban Sewage Treatment Plants
How to translate GB3838—2002
Surface Water Environmental Quality Standards
How to translate
GB3551—83
Emission Standards for Water Pollutants in Petroleum Refining IndustryHow to translateGB5469—85Standard for Discharge of Wastewater from Railway Freight Car Washing
How to translateTechnical Features■The true three wavenumber and infrared three wavenumber spectra are clear and accurately calibrated, and can clearly display the absorption spectra and absorbance generated by the three wavenumbers;
■Support testing of the transmittance and purity of extraction solvents, capable of distinguishing various interferences;■computer
PCDirect drive, supportWindowsXPAnd above higher versions;■Bluetooth
USB(RS485or
RS232)Serial interface;
■overall structure2000(PC+ABS)
Protection against electromagnetic radiation, impact, and corrosion;
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■ Zero point real-time automatic adjustment |
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Eliminate the impact of baseline drift |
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Computers not only collect signals when the light source emits light, but also when the light source goes out, simplifying operations and improving the long-term stability of signals; |
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Adopting dual system analysis to meet the usage of carbon tetrachloride or tetrachloroethylene as extractants respectively; |
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The instrument can be calibrated using both standard curves and coefficients; The calibration method meets the requirements of different usage environments; |
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The service life of the light source can reach |
More than hours. The light source uses electrical modulation to regulate the light source technology, preventing the internal temperature of the instrument from affecting stability. |
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Technical Specifications |
item |
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eye |
technical indicators |
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Instrument detection limit |
3SD≤0.04mg/LMinimum detectable concentration20.005mg/L (water sample concentration) |
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Maximum measured concentration |
100% oil (water sample concentration)-1Basic measurement range-10.0～800mg/L |
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repetitiveness |
RSD ≤ 1% (11 measurements of 30-100mg/L oil sample) |
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Accuracy error |
＜±2%-1 |
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correlation coefficient |
R＞0.999-1scanning speed |
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Full spectrum scan, 30 seconds/time, |
Non dispersive infrared method |
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Second/time |
Wavenumber range3400cm～2400cm(i.e. 2941nm to 4167nm) |
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Range of absorbance |
0.0000-2.0000 AU (i.e. transmittance of 100-1% T) |
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Wave number accuracy and repeatability |
±1cm |
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Measure tetrachloroethylene |
2930cm |
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