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Skalar CA15 TOC Analyzer

  • Skalar CA 15  TOC  Analyzer
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Product Description

Automatic TOC and Total Nitrogen analysis in liquid & solid sample materials by the Skalar TOC/TN analyzer series.

Current trends within environmental laboratories are to focus instrument purchase on ease-of-use and higher sample throughput achieved by increased analysis speed. To meet these requirements the Skalar Formacs TOC/TN analyzer series is developed as an all-in-one instrument for the analysis of :
  • TOC (Total Organic Carbon)
  • TC (Total Carbon)
  • TIC (Total Inorganic Carbon)
  • NPOC (Non Purgeable Org. Carbon)
  • TN (Total Nitrogen)
  • NN(NO3 +NO2)
For TC, TOC and NPOC analysis in liquid samples, the Formacs TOC/TN analyzer uses catalytic combustion at a temperature of at least 850°C in an oxygen atmosphere, followed by infrared detection (NDIR) of the CO2 released. For TIC analysis the sample is acidified in the IC reactor followed by infrared detection of the released CO2.
For full un-attended operation, the Formacs TOC/TN analyzer is furthermore equipped with an auto-sampler that can handle water samples containing particles with particle sizes up to 500 µm. Samples are automatically homogenized by a top-stirring device in 8 ml sample vials or 40-mL VOA certified sample containers. 
Figure 1: Skalar Formacs TOC/TN analyzer principle
Besides TOC, the automation of TN via catalytic combustion is gaining more and more attention worldwide due to the speed of analysis (2 minutes) and the environmental friendly character of the analysis compared with for instance Total Kjeldahl Nitrogen, which requires a time consuming off-line acid digestion step.
For TN analysis the Formacs TOC/TN analyzer uses catalytic combustion followed by chemiluminescence detection (CLD). NO3+NO2 analysis is determined via chemical reduction followed by chemiluminescence detection.
An additional advantage of automating TN via catalytic combustion is that TOC and TN analysis can be performed in one sample simultaneously.
The latest software developments for TOC/TN analysis include:
Dual-channel set-up for simultaneous analysis of TOC & TN
Diagnostics / Alarm settings control for full un-attended operation and instrument control
Automatic sample timing, meaning that once the end point of integration is reached, automatically a new injection starts which saves valuable analysis time
System is able to analyze low ppb to high ppm levels of TOC by using a dual-range infrared detector, which minimizes time-consuming sample dilutions.
21CFR part 11 compliant
Solid- and Sludge samples;
Specifically for solids and sludge samples and samples containing high concentrations of acid, alkaline, salt and heavy metals, Skalar has developed the PrimacsMCS add-on TOC module. The PrimacsMCS add-on module operates in combination with the Formacs TOC/TN analyzer series and is equipped with a unique vertical sample introduction design, which prevents direct contact between sample matrix and catalyst. This guarantees a long catalyst lifetime and a minimum of maintenance interventions for analyzing solid and/or sludge samples with low and high concentrations of Carbon.




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