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
April 11 2024

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.

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


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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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