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Series 6700 Total Organic Carbon Analyzers

UV / Heated Persulfate Method
Ozone / Hydroxyl Radical Method
Combustion Method
Ultrapure Method

Which method should I choose? Click for detailed application support.

The Series 6700 covers a complete range of Total Organic Carbon (TOC) Analyzers capable of addressing a variety of industrial applications for process and environmental compliance purposes. Depending on the application, TAI can recommend which technique is best suited to continuously detect TOC within your process.

The robust and reliable Infrared CO2 analyzer is the heart of each design. It provides specific, interference-free CO2 detection, has no moving parts, and is extremely easy to access and service, as required. Each configuration is available with an optional Microsoft Windows ™ based computer with touch screen control.

TOC Methods

UV / Heated Persulfate Method
Excellent TOC accuracy from low parts-per-million to moderate concentrations of salt-free samples. Minimum maintenance. Preferred method for most applications.

Ozone/Hydroxyl Radical Method
Excellent for low to high levels of TOC analysis for difficult to oxidize samples or in undiluted acids or industrial salts over 26%. Low maintenance. Preferred substitute for High Temperature Combustion in most applications.

Combustion Method
Good for difficult to oxidize or high TOC concentration samples with industrial salts less than 1%. Preferred for some higher range samples which have limited oxidation efficiency by other methods.

Ultrapure Method
Unsurpassed NDIR detection for interference-free accuracy in the parts per billion range. Requires no pumps for minimum maintenance. Lowest MDL. Preferred for applications less than 1000 ppb TOC.

Features

Complies with EPA, ASTM, and other standard approved methods for continuous TOC analysis
NPOC (Non-purgeable organic carbon) analysis
TOC-True Analysis (including volatile organics)
Rapid response
Onboard Microsoft Windows CE computer plus paperless chart recorder OR Menu driven LCD display
Separate electronics and liquid compartments
Low maintenance and easy access for service

Subsystems
A Series 6700 TOC Analyzer is comprised of 5 subsystems:

Sample handling
Inorganic Carbon removal OR Inorganic Carbon analysis TOCTrue method
Oxidation
NDIR CO2 gas detection
Electronic signal processing, display, and control

Applications

Standard Method 5310 C/D
EPA 415.1
EPA 9060
ASTM D 4839-88
ASTM D 4779-88
Boiler feedwater
Cooling water
Wastewater
River water
Process control

Relevant Application Bulletins

Review a TOC analysis primer (PDF) for the basics of analyzing organic material in water.

What are the pitfalls of TOC analysis and how does a Teledyne instrument overcome them? Download the PDF.

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