THPS analysis: Accurate, portable analysis in produced fluids

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Helps ensuring the correct dose of THPS biocide is being applied at the target location.

Page last modified
October 31 2023

The OMMICA THPS analysis kit consists of a simple, highly accurate, portable colourimetric test to determine THPS in aqueous systems. 

Accuracy is gained by addition of accurately measured reagents to a sample. This is then reacted at a specific time and temperature, to control the reaction and the resultant colour gives the level of THPS.

Absorbance of the reacted sample colour is measured using a colourimeter to give an accuracy of +/- 1ppm.

The analysis has been developed to be as accurate as HPLC, but allow on-site testing to take place in the field or offshore, through use of portable equipment.


Easy for non-specialist users to use consistently and accurately
As accurate as specialist laboratory methods (e.g. HPLC)
Can be used on- and off-shore
Can be used in any industry that uses THPS
Works well in synergy with microbial monitoring methods
Can be used to quality check batches of stock THPS
Refrigerated storage required to obtain optimum kit lifetime
Additional equipment needed compared with the other standard portable test (iodometry)


Areas of application Can be used in any industry where THPS is used (e.g. oilfield, cooling water, etc.)
Accuracy +/- 2 ppm
Detection threshold < 2 ppm in water
Range (standard) 2 to 100 ppm
Range (extended) Up to 80%
Quality Validated by third party testing (major operator)
Detection threshold Up to 100 samples/day possible
Operational impact Accurate onsite testing, minimising delays
Deployment Can be effectively used by non-specialists
Training Dedicated YouTube training videos channel, summary videos on website, in-person training can be provided if required
Versatility Suitable for use on or offshore. Only requires 0.5 m2 (or less) of working space. Robust equipment

Relative Business Impact


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Technology Readiness Level


Development Technology demonstration Mature / Proven
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OMMICA Ltd develop and manufacture novel chemical testing technology to help clients save on refinery penalties, using cost effective technology, which allows management of fluids prior to custody transfer.

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