OC users from around the globe requested an instrument that meets the following criteria: simplicity, performance, and durability.

The Lotix TOC Combustion analyzer is designed to accurately measure carbon content in aqueous matrices down to the ppb level. It uses proven high temperature combustion, oxidation of carbon material into carbon dioxide, and detection using a new Non-Dispersive Infrared (NDIR) detector.

Lotix is the ultimate solution for waste water, drinking and surface water, ground water, sea water, and other hard to oxidize matrices with an economical price to fit any budget.​

Applications and Industries 

TOC sampling and analysis are used in a wide range of applications in several industries.

  • Environmental 

  • Pharmaceutical 

  • Petrochemical ​


  • Standard Method 5310B
  • EN-12260
  • DIN-EN-ISO 11905-2
  • EPA 415.1 and 9060A
  • ASTM D2579
  • ISO 8245
  • AOAC 973.47
  • EN 13639

Optional Module 

  • Lotix Solids Sampler (LSS) – The LSS quickly prepares samples for TOC and TC analysis in a wide range of sample matrices that include wastewater, sludges, slurries and solids. – Click for more information on the LSS Boat Module.​

  • Lotix Total Nitrogen (TN) Module – Analyzes samples for Total Nitrogen (TN) content. The TN module works in combination with the Lotix TOC Analyzer enabling analysis of aqueous samples for TOC/TN, TC/TN and TN.

  • Mixing Module – The optional Lotix Mixing Module is designed to stir samples in the vial prior to analysis. The mixing module contains a magnet attached to an electric motor. The rotating magnet in the module causes a magnetized stir bar in the vial to rotate and mix the sample.

  • SO3 Scrubber – Certain sample matrices (such as samples preserved with sulfuric acid) have the potential to create gases harmful to the Lotix NDIR detector during analysis. The optional Lotix Sulfite (SO3) Scrubber (mistcatcher) removes these gases before they reach the detector.

  • Salt Analysis Kit – The Salt Analysis Kit contains required components for the analysis of sea water and brines on the Lotix TOC analyzer. The kit includes a 0.3 mL sample loop, large sphere catalyst and combustion tube, and replacement parts for Lotix components whose life-span is reduced when analyzing this sample type.​


  • No costly syringe drives or 7-port valves!

  • Ability to run 0-20,000 ppm without dilution with a single 0.5 mL injection volume virtually eliminating the need for multiple calibration curves

  • Easy to use software requiring < 1 minute to set up a calibration curve

  • Simple design ensures virtually any component can be accessed in minutes, and with the furnace located in the front, combustion tube maintenance is a snap

  • Real-time viewing of analytical data and printing of completed sample reports while instrument is running 

  • Easy scheduling of priority samples

  • Ability to export to CSV or PDF and import from CSV files

  • Average run time for triplicate TOC is 13-15 minutes (depending on concentration)

  • Uses a pressurized 10 L water reservoir to clean the sample pathway, loop and needle before and after each sample without using any positions on the autosampler

  • Ability to run Total Nitrogen (TN) with optional module 

  • Ability to run solids with optional module