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Global standard model for petroleum related business, fully automated petro-pyrolysis marcury analyzer


Fully automated petro-pyrolysis mercury analyzer with multiple automatic sample changer

The PE-1000 is a global standard model of the oil industry that is registered in ASTM Standard: UOP938-10 (Total Mercury and Mercury Species in Liquid Hydrocarbons). It is the world’s highest level fully-automated measurement equipment for mercury in petroleum.

Samples such as naphtha, condensate, and heavy oil are fully automatically measured with ultra-high sensitivity, high accuracy, and high speed. The sample is processed in a closed system from sampling through to measurement and mercury in it is detected by atomic fluorescence spectroscopy (AFS) which is less affected by interferences.

Also, the PE-1000 is equipped with a 15-positions automatic sample changer with vortex function, which saves labor and improves economic efficiency.

By collecting mercury and mercury compounds into the column in the sample heating section, hydrocarbons are separated and discharged.

The temperature of the column is controlled under preset conditions, in which the mercury compounds are decomposed by heating, and mercury alone is concentrated in the mercury collector tube as gold amalgam.

Then, the mercury collector tube is re-heated while the sample is exposed to argon gas flow, and vaporized mercury is measured by atomic fluorescence spectroscopy.

Adoption of newly developed technology

  • By using a closed-system, volatilization of mercury from the sample is minimized to prevent contamination in the ambient environment.
  • By adopting atomic fluorescence spectroscopy (AFS), measurements have sensitivity and accuracy 30 times or higher compared with the previous model.
  • By the delicate temperature control in the combustion path, cross-contamination to next samples is reduced.
  • It is possible to measure mercury in compounds with a low boiling point without using reagents such as additives, although it is usually considered difficult.

Simple operation by selection of registered conditions

The operation process is quite simple.

All you have to do is first take the sample into vials, set the vials in the automatic sample changer, and then select the pre-registered thermal decomposition conditions.

The most important conditions for thermal decomposition measurement are registered for respective samples based on our extensive application experience.

Upon your request, we can make the manual measurement type (PE-1) which does not use any automatic sample changer available.

Abundant Options

In this series, a variety of options are available, some of which can be used for measurement methods described below:

  • Japan LP Gas Association Standard: registered in JLPGA-S-07 “Gold-amalgam collection – atomic fluorescent spectrometry by thermal decomposition” (Option: RH-PE),
  • “Reducing vaporization-gold amalgamation-atomic fluorescence spectroscopy (manual)” (Option: RH-PE, S-MA), which allows for high sensitivity analysis of samples such as environmental water.


Mercury measurement section (PE-1) Measurement principle Non-dispersive double-beam CVAFS
Light source Low pressure mercury discharge lamp
Wave length 253.7nm
Detectors Photo multiplier tube (PMT)
Flow rate MFC controlled 0.01~1.0L/min
Combustion tube Quartz pre-packed with catalysts
Maximum decomposition temperature Up to 820°C
Detection limit
(Hg concentration)
Detection limit
(Hg amount)
Maximum measurement range Up to 100ng (RSD <3% @ 0.1ng)
Mercury removal Absorption by activated carbon
Data processing system (PC-Win/PE-1) OS Windows 8, Windows 10
Communication RS-232C
Display Peak wave shape, Calibration curve, Measuring time and measuring result
Device control Start/stop measuring: Controllable
Pretreatment conditions: Heating conditions setup (Heating temperature & heating time), Sample volume setup (Extraction & dispensing volume & speed; Rinse volume & solutions)
Printing Memo, Analysis condition, Calibration curve, Measured and statistical data, Peak profiles
Dimension & Utility Dimension 430W x 610D x 490H (mm)
Weight 40kg
Power supply AC100~240V, 50/60Hz, 1.5kVA
Grounding: Grounding terminal with ground resistance of 100Ω or less
Gas requirements Argon 0.2~0.8MPa, >99.995% purity
Compressed purified air 0.2~0.8MPa

Applications, Test methods

Thermal decomposition Naphtha, Pygas, Gasoline, Jet fuel, Kerosene, Diesel fuel, Condensate, Crude oil, Fuel oil & more
Methods: UOP 938-10
Gas analysis LNG/LPG, Natural Gas, Propane, Butane, Shale gas, Ambient air & more
Methods: JLPGA-S-07, ISO 6978, ASTM D-6350