H2S Composition Analyser

H2S Composition Analyser

Part No: SA4000-3

Availability: In stock Shipping within 4-6 Weeks

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H2S Composition Analyser
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 IP 570 ‘Determination of Hydrogen Sulfide in Fuel Oil – Rapid Liquid Phase Extraction Method’

The H2S Analyser was developed with Lloyd’s Register’s ‘Fuel Oil and Bunker Analysis Service’ (FOBAS) along with support of other major international oil companies to offer rapid measurement of H2S in liquid petroleum products.

H2S is efficiently purged from the test sample by a combination of heat and agitation, and is measured by a H2S technological advanced specific detector. The instrument offers a cost effective solution for H2S measurement – no costly chemicals are required and there is no need for analytical preparation by an expert chemist.

The H2S Analyser is an excellent tool for supporting product Quality Control and safety ensuring product is within approved specification. It is also ideal for both product remediation treatment of feedstock components and off-spec products with fast repeat sample measurement capability.

Introducing the Vapour Phase Processor (VPP) accessory for the H2S analyser

Seta developed the VPP accessory for use with the H2S Analyser to improve precision and accuracy of IP 570. Primarily it addresses an issue which has been reported whereby certain chemical species in some samples will effect the sensitivity of the H2S sensor. Additionally the VPP can be used to address a broader range of petroleum products.

Method Description
Measurement range 0-250 mg/kg H2S in the liquid phase (0-250 ppm H2S)
Operating limits 5 – 40c maximum (80% RH)
Viscosity Range Up to 3000 mm2/s
Principle of measurement Advanced Electrochemical sensor
Test duration 15 minutes
Sample size 1ml, 2ml, 5ml (depending on H2S concentration)
Diluent volume 20ml
Voltage 12V DC, supplied with universal A/C transformer
Power 60W max
Computer interface RS232
Size (HxWxD) 210 x 300 x 410 mm
Weight 8kg

  • Measurement range from 0-250 mg/kg H2S (0-250 ppm H2S) in the liquid phase
  • Vapour Phase Processor proven to eliminate effects of chemical interference
  • A non chemical method, no wet chemistry involved
  • Small lab bench footprint, fully portable operation
  • Suitable for monitoring residual marine fuel blends, refinery feedstock compenents, cargoes & products in the distribution system
  • Critical Measurement method for Product Safety and Release


ASTM D7621, IP 570/12A, ISO 8217

Method Description
IP 570/12A Determination of hydrogen sulfide in fuel oils - Rapid liquid phase extraction method
ASTM D7621 Determination of Hydrogen Sulfide in fuel oil - rapid liquid phase extraction method
ISO 8217 Fuel Standard for marine distillate fuels and for marine residual fuels
More Information
Lead Time 4-6 Weeks
Dimensions cm (WxDxH) 210 x 300 x 410 mm
Size N/A
Shelf Life N/A
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