Development and Application of Automatic Ultraviolet Oil Measuring Instrument

GUO Bo; ZHOU Li; ZHANG Sen; LIU Chuanrong; SUI Feng; YANG Zhongyuan

doi:10.12338/j.issn.2096-9015.2024.0205

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GUO Bo, ZHOU Li, ZHANG Sen, LIU Chuanrong, SUI Feng, YANG Zhongyuan. Development and Application of Automatic Ultraviolet Oil Measuring Instrument[J]. Metrology Science and Technology. doi: 10.12338/j.issn.2096-9015.2024.0205

Citation:

GUO Bo, ZHOU Li, ZHANG Sen, LIU Chuanrong, SUI Feng, YANG Zhongyuan. Development and Application of Automatic Ultraviolet Oil Measuring Instrument[J]. Metrology Science and Technology. doi: 10.12338/j.issn.2096-9015.2024.0205

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Development and Application of Automatic Ultraviolet Oil Measuring Instrument

doi: 10.12338/j.issn.2096-9015.2024.0205

1.
Shandong Institute of Metrology, Jinan 250014, China
2.
Shandong Bosen Chemical Technology Testing Co. LTD, Dongying 257000, China
3.
Taian Kerui Optical Instrument Co. LTD, Taian 271000, China

Received Date: 2024-06-26
Accepted Date: 2024-07-08
Rev Recd Date: 2024-07-25

Available Online: 2024-08-26

Abstract

Abstract

Based on the testing requirements of the national environmental protection standard HJ 970-2018 “Water quality- Determination of petroleum-Ultraviolet spectrophotometric method”, the principle of UV oil spectrophotometer was analysed. Then, a new type of automatic ultraviolet oil measuring instrument was developed by means of automatic and integrated design of injection system, extraction system, adsorption system and detection system. The structure, principle, application and maintenance of the instrument were introduced emphatically. In addition, the instrument was calibrated according to JJF (Min) 1141-2023 “Calibration Specification for Oil Content Analyzers of Ultraviolet”. In the range of (0.0～16.0) mg/L, the linearity was 0.9999. When the measured value was not more than 2 mg/L, taking 1.0 mg/L as example, the indication error was −0.042 mg/L. When the measured value was more than 2 mg/L, taking 4.0 mg/L, 8.0 mg/L and 16.0 mg/L as examples, the indication error were −3.6% , −2.2% and −1.7%, respectively. In addition, the items of instrument repeatability, minimum detectable concentration, zero drift and indication drift were calibrated. Through the above calibration experiments verified that the performance of the instrument was excellent. By using the automatic ultraviolet oil measuring instrument, the environmental protection workers could reduce the working intensity, improve the working efficiency, reduce the organic hazards, and ensure the accuracy and efficiency of the environmental monitoring work.
- metrology,
- environmental monitoring,
- ultraviolet spectrophotometric method,
- automatic ultraviolet oil measuring instrument,
- calibration

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References(30)

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