Intelligent infrared spectrophotometer for oil analysis

OL680The infrared oil analyzer is a laboratory infrared oil analyzer independently developed and produced by Feixiang Saisi Company. It is based on the environmental protection standards of the People's Republic of China“HJ637-2018The determination of oil, petroleum, animal and plant oils in water quality using infrared spectrophotometry is a specialized infrared spectrophotometer developed for measuring the content of oil, petroleum, animal and plant oils in water. It is an improved infrared oil analyzer.

Compliant with standards:

●National Environmental Protection Standards“HJ 637-2018Water quality - Determination of petroleum, animal and vegetable oils - Infrared spectrophotometric method

●National Environmental Protection Standards“HJ 1077-2019Determination of oil fume and oil mist from fixed sources of pollution - Infrared spectrophotometric method

●National Environmental Protection Standards“HJ 1051-2019Determination of petroleum in soil by infrared spectrophotometry

Application and Technical Principles:

Applicable for the determination of petroleum and animal and plant oils in industrial wastewater and domestic sewage;

The analysis method applicable to fixed pollution source exhaust gas, oil fume, and oil mist;

The analysis method applicable to petroleum in soil.

The water sample isPH≤2Under the conditions of extraction with tetrachloroethylene, determine the oil content; Adsorb the extract with magnesium silicate to remove polar substances such as animal and vegetable oils, and then determine the petroleum content. The content of oil and petroleum is determined by the wavenumber, which is2930 cm-1 (CH2Within the functional groupC－HThe stretching vibration of keys)The2960 cm-1 (CH3Within the functional groupC－HThe stretching vibration of keys)The3030 cm-1 (In aromatic ringsC－HThe stretching vibration of keys)Absorbance at [location]A2930TheA2960TheA3030Calculate based on the correction coefficient. The content of animal and plant oils is the difference between the content of oil and petroleum.

function/Features:

●Instrument qualification: The instrument has a "Certificate of Approval for Measuring Instrument Type".

●Beautiful and elegant appearance, usingABSEngineering plastic casing, resistant to acid and alkali corrosion.

●Adopting high-throughput optical system, integrated optical path design, short optical path length, high energy, small instrument size, light weight, first splitting and then absorbing, meeting the requirements of infrared spectroscopy characteristics, good stability, and high signal-to-noise ratio.

●Using electrically modulated light source to reduce the heat generation intensity of the light source, which is beneficial for system heat dissipation, and the lifespan of the light source can reach5000More than hours. At the same time, due to the absence of mechanical cutting motion components, the instrument structure is simplified and the stability of the instrument is improved.

●Using a precision stepper motor to control the grating, it has wavelength correction function, high wavelength accuracy, and good repeatability.

●Unique colorimetric pool structure design, suitable for0.5to5Any colorimetric dish in centimeters.

●The instrument can be calibrated using standard curves or calibration coefficients to meet different customer needs.

●Using a mechanical and optical dual calibration system for automatic positioning and wavelength measurement, and using an appropriate concentration of oil standard sample to automatically determine the wavenumber2930cm-1The2960cm-1The3030cm-1Calibration eliminates the influence of human factors, accurately measures absorbance, and increases instrument stability.

●Dedicated data processing system, suitable for dual systems of tetrachloroethylene and carbon tetrachloride, and can be used forS-316Infrared spectrophotometry using solvents as extractants; The qualitative method is infrared characteristic absorption spectrum. During the measurement process, the infrared spectrum is continuously scanned, which can clearly distinguish the structure of various oil products and accurately distinguish interferences.

●Equipped with purity detection function for tetrachloroethylene: dried4cmUsing an empty quartz cuvette as a reference, in2800 cm-1～3100cm-1Between uses4cmQuartz colorimetric dish for the determination of tetrachloroethylene,2930 cm-1The2960 cm-1The3030 cm-1The absorbance at each point should not exceed0.34、0.07、0The analysis software automatically determines whether the purity of the tetrachloroethylene reagent is qualified or unqualified.

●Instrument to measurement and calibration methods: Multiple calibration methods: standard curve calibration, coefficient calibration, and single point calibration.

●The oil analyzer analysis software meets the requirements of infrared spectrophotometry and non dispersive analysis methods, and sets measurement parameters according to current national standards. It can directly read the measurement results of oil in water, oil fume and mist in fixed pollution source exhaust gas, and petroleum in soil without manual conversion.

●Once the data measurement is completed, a detection report will be automatically generated, which includes correction coefficient formulas, standard curves and spectra, sample scanning spectra and measurement data, sample measurement parameters, customer information, etc. In additionYou can freely select the display content of the test report, such as sample name, sample volume, extractant volume, dilution ratio, measurement time, sample category, sample concentration, concentration value, absorbance, etc,Various data and corresponding spectra are automatically saved without the need for computer screenshots;When exporting the inspection report, multiple data measurement spectra can be selected and displayed in an overlapping spectrum, or each data can be selected to display its individual measurement spectrum, fully meeting the needs of various customers;

●More adaptability:RS232，USBCommunication interfaces are available;WIN7、8、10Both computer operating systems are acceptable.

Technical Indicators:

●Baseline stability: Real time automatic adjustment of zero point, automatic calculation of relative absorption peak (eliminating the influence of baseline drift), computer collects both the signal when the light source emits light and the signal when the light source goes out, achieving real-time automatic adjustment of zero point, simplifying operation and improving long-term signal stability. Zero drift is0.0025A/30min

●Correction coefficient accuracy: Take an appropriate amount of petroleum standard solution, prepare an appropriate concentration of petroleum standard solution with tetrachloroethylene as the solvent, and perform the same steps as the sample measurement. The relative error between the measured value and the standard value is within ±10%within

●Measurement value based on:ρ＝X·A2930+Y·A2960+Z·(A3030-A2930/F)

●measurement20mg/LN-Hexadecane20mg/LIsooctane and100mg/LBenzene, accuracy ≤±10%

●Method detection limit: When the volume of the water sample is500mlThe volume of the extraction solution is50mlAt that time, the detection limit of the water sample was0.03mg/L

●Instrument detection limit:DL≤0.03mg/L(Measurement)11Tetrachloroethylene blank solution3timesSD）

●Accuracy error: ≤1%

●Repeatability:RSD≤0.6%（30-40mg/LOil standard sample determination11Next time)

●Basic measurement range:0.0～800.0mg/L

●Minimum detectable concentration:0.003mg/L(Oil concentration in water sample)

●Screen size:10.1Inch touch screen

●Maximum measured concentration:100%oil

●Absorption range:0.0000～2.0000AU(i.e. transmittance)100～1%T）

●Minimum absorbance scale:0.001（A）

●Scanning wavenumber range:3400cm-1～2400cm-1(i.e2941nm～4167nm）

●Measurement wavelength range:3200nm～3600nm

●Wavelength accuracy: ±1nm(i.e. wave number repeatability ±)0.5cm-1）

●Linear correlation coefficient:R＞0.9995

●Wavelength scanning speed: full spectrum scanning3200nm～3600nm，30second/Sample; Non dispersive infrared method2second/time

●Host dimensions:465mm(Long)×315mm(Width)×165mm(High)

●Host weight:13Kg

●temperature-5～45℃, relative humidity:20～85%

●Host power supply power:220 ± 10% V，50Hz，50W

Main standards and their application areas:

GB8978-1996Comprehensive Wastewater Discharge Standard

GB18918-2002Pollutant Discharge Standards for Urban Sewage Treatment Plants

GB18466-2005Emission Standards for Water Pollutants in Medical Institutions

GB21900-2008Emission Standards for Electroplating Pollutants

GB20426-2006Emission Standards for Pollutants in the Coal Industry

GB21906-2008Emission Standards for Water Pollutants in Traditional Chinese Medicine Pharmaceutical Industry

GB21907-2008Emission Standards for Water Pollutants in the Pharmaceutical Industry of Bioengineering

GB21905-2008Extraction pharmaceutical industry water pollutant discharge standards

GB31570-2015Pollutant Emission Standards for Petroleum Refining Industry

GB31574-2015Pollutant emissions from recycled copper, aluminum, lead, and zinc industries

GB31573-2015Emission Standards for Pollutants from Inorganic Chemical Industry

GB30486-2013Emission Standards for Water Pollutants in Leather and Fur Processing Industry

GB13458-2013Emission Standards for Water Pollutants in Synthetic Ammonia Industry

GB16171-2012Emission Standards for Pollutants in Coking Chemical Industry

GB13456-2012Emission Standards for Water Pollutants in the Steel Industry

GB27632-2011Emission Standards for Pollutants in the Rubber Products Industry

Main application areas:

●Environmental protection department monitors oil content in domestic sewage and industrial wastewater

●Monitoring of oil content in circulating water and wastewater in industries such as petroleum and petrochemical, smelting, etc

●Monitoring of oil content in circulating water and wastewater in industries such as thermal power plants, steel plants, and machinery manufacturing

●Monitoring of oil content in irrigation and production water for agriculture, forestry and animal husbandry

●Monitoring of Oil Content in Water by Water Conservancy, Hydrology, and Municipal Water Supply and Drainage Departments

●Railway environmental and epidemic prevention departments monitor oil content in water

●Monitoring of oil content in water by major research institutes and third-party testing