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The new ANATOC_ Series II Total_Organic_Carbon_Analyzer represents the next generation in analyzers for the rapid determination of organic carbon in water. The instrument utilizes patented photoocatalytic oxidation to decompose even the most intractable organic compounds in an aqueous sample.

It provides reliable analysis at negligible cost per sample without the use of hazardous chemicals or clumsy, expensive compressed gases.

Performance

• Uses patented Photocatalytic Oxidation
• Dual filter NDIR detector to eliminate background interference
• Photocatalytic batch reactor
• Wide analysis range of 0.05 - 5000 ppm)
• Rapid sample turnaround, typically 6 minutes

Affordability

• Negligible cost per analysis
• No external gases
• No expensive reagents
• Virtually maintenance free

Simplicity

• Manual, automated, or on-line modes
• Automatic oxidation end-point detection
• Reactive software for automated SOP implementation
• Comprehensive results validation and tabulation

Safety

• Room temperature reaction
• Non hazardous reagents
• Near UV light source

Photocatalytic Oxidation Principle

The ANATOC_ Series II uses patented Photocatalytic oxidation that decomposes all organic compounds in the aqueous medium to give carbon dioxide, water and the acid, base or salt of any other organically bound elements. The resulting CO2 gas is accurately determined.

Generally, the organic carbon to be measured is dissolved in an aquerous matrix hence TOC is often referred to as Dissolved Organic Carbon.

The oxidation is carried out by illumination of the sample at room temperature in the presences of near-U.V. light (300 - 400 nm) and a catalyst in the form of a dilute suspension of titanium dioxide in water.

Sampling options

Manual Injection

The base model facilitates a manual injection port through which samples may be introduced into the reactor.

Automated Injection

The incorporation of the integral AutoInjector system will allow samples from individual vials to be processed automatically. Both sample pre-treatment and sampling can be automated with this option.

The integrated eight-port distribution valve further increases the versability of this option. Calibration standards and the additional reagents required for sample pre-treatment can be directly plumbed to the AutoInjector hence avoiding any possible cross-contamination of reagents, calibration standards or samples.

Additionally, up to 4 ports can be allocated for sampling from various sources.

The installation of the optional AutoInjector system then provides two further sampling modes. Thes modes are:

On-line sampling
When the AutoInjector system is installed the ANATOC_ Series II may be used to directly withdraw a sample from up to four individual sample streams. The intermediate sample transfer lines can be flused between samples by the installation of the optional ANATOC_ Series II On-Line Kit.

Automated sampling
The coupling of the AutoSampler to AutoInjector system allows fully automated pre-treatment and analysis of batched samples. This option is ideal for laboratories with a high sample throughput.

Analysis options

The novel design of the ANATOC_ Series II offers a variety of user selectable analysis methods. These included the measurement of :

TC Total Carbon
This is the aggregate measure of the Total Inorganic Carbon and the Total Organic Carbon present in the sample. It may be measured in a single analysis as individual TIC and TOC components or simply as TC.

TIC Total Inorganic Carbon
Inorganic carbon mainly consists to a mixture of carbonates and dissolved corbon dioxide.
In samples containing low levels of the TOC, the TIC component could be quiite high and should be measured.

TOC Total Organic Carbon
TOC is the aggregate measure of the purgeable organic (POC) and Non Purgeable Organic Carbon (NPOC)

POC Non Purgeable Organic
NPOC can be measured directly.

POC Purgeable Organic Carbon
Sometimes called Volatile Organic Carbon, this any organic carbon that can be removed by gas stripping (purging).

Various combinations of analysis methods can be selected. For example, the ANATOC_ Series II is capable of measuring TIC, TOC (and TC) with only one sample injection

Application Areas

By producing water quality information in minutes instead of days, use of the ANATOC_ Series II can result in huge reductions of withholding times and volumes of process or effluent waters.

The following industries will find the benefits of this rapid analysis evident in the reduced cost of delays and clean up.

• Mineral processing
• Petrochemicals
• Food and Beverage
• Pharmaceuticals
• Paint Manufacture
• Environmental analysis
• Waste management
• Water supply
• Power generation
• Sewage treatment
• Rinse water validation

ANATOC_ Reactive Software

• Aperating environment: Microsoft Windows 95, Microsoft Windows 98 and Microsoft NT
• Operation: Instrument control and monitoring, sample processing, results monitoring, system validation, automated sample preparation
• Password protection: Multilevel password protection of software functions
• Sample processing: Programmable sample processing table, system and results validation, comprehensive results table, programmable
• Results Monitoring: Analyte exceeds programmed range, over-range results (automatic re-injection option), new sample (automatic priming option)
• Results validation: System calibration, system precision
• Data collection: Results table, oxidation profile raw data (files cannot be edited)
• Diagnostic monitoring: Instrument/component operation time, liquid level sensors and baseline stability
• Minimum PC configuration: Pentium II, 32 Mb RAM, 100Mb HD space, spare serial communication port.