UviLux FUEL - PAH

Highly sensitive UviLux sensor fluorometer for detection of aromatic hydrocarbons (PAH).

The UviLux FUEL - PAH sensor is ideal for detection of traditional fuels such diesel, petroleum and gasoline spills in harbours, leaks from underground storage tanks, landfills, manufacturing plants and overfills of storage tanks into rivers.

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Highly sensitive UviLux sensor for the detection of detection of traditional fuels such diesel, petroleum and gasoline spills in harbours and leaks from underground storage tanks, landfills, manufacturing plants and overfills of storage tanks into rivers.

Overview

UviLux FUEL- PAH

The Chelsea Technologies UviLux Fuel – PAH sensor is for the detection of the leakage of traditional fuels into streams, rivers and ports. UviLux sensors enable real-time, in situ detection of a wide variety of UV fluorescence parameters, including Polycyclic Aromatic Hydrocarbons (PAH). The compact and highly sensitive fluorometers have excellent turbidity rejection and high ambient light rejection, making them suitable for use in a wide variety of natural and process waters to 1000m depth.

Features & Applications

Key features

  • In-situ, real time monitoring of fuel in water
  • Highly sensitive readings to 0.03 ppb
  • Couple with FDOM sensor to remove environmental interference
  • Easy to integrate with monitoring platforms and systems, or combine with Hawk for on the spot readings and logging
  • Depth rated to 1000m
  • Excellent turbidity rejection and high ambient light rejection
  • Service and support from dedicated technical team

Applications

  • Real time monitoring of fuel contamination in rivers and lakes
  • Fuel contamination monitoring in groundwater
  • Assessment of water quality in catchments and natural waters
  • Detection of PAH in process waters

 

Specifications

UviLux sensor technical specification

Parameters PAH
Sensitivity (QSU) 0.03
Calibrated range (QSU) 600
Example compound:
sensitivity range (ppb)
Carbazole: 0.005 – 80
Phenanthrene: 0.010 – 150

 

Mechanical

Size Ø 70 mm x 149 mm
Weight in air 800 g in air / 150 g in water
Pressure housing Acetal C
Operating temperature -2 °C to + 40 °C
Storage temperature -40 °C to + 70 °C
Depth rating 1000 m
Connector Impulse MCBH6MP

Electrical

Input voltage 9 – 36 V
Power requirements < 1 Watt @ 12 V

The sensitivity and calibrated range of each UviLux sensor has been standardised by cross-correlating each calibration solution against a certified reference standard of quinine sulphate using a bench-top spectrofluorometer.  Fluorescence is reported in Quinine Sulphate Units (QSU), where 1 QSU is equivalent to the fluorescence intensity recorded from 1 ppb quinine sulphate at an excitation wavelength of 347.5 nm and an emission wavelength of 450 nm. Factors are provided for selected compounds to convert the fluorescence output from QSU to ppb of the compound of interest

FAQs

harbour oil spillWhat is PAH?

Petrogenic PAHs are present in petroleum and its by-products, widespread due to storage, transport, use, and leakage of crude oil and its products.

Whereas the Chelsea Technologies FUEL-BTEX sensor is for the detection of highly refined fuels for, typically, inland groundwater studies, the FUEL-PAH sensor is more for the detection of the leakage of traditional fuels into streams, rivers and ports. For unprocessed fuels at the source (i.e. upstream at source), the Chelsea UviLux OIL is the appropriate sensor.

Do I need to measure FDOM too?

In practice, Chelsea Technologies recommends combining the UviLux FUEL-PAH with the UviLux-FDOM, to allow differentiation between PAH signal and FDOM signal. The PAH and FDOM signal does overlap, and the use of multiple sensors will give more differentiated datapoints.

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