Thermo Fisher Scientific is pleased to announce
a new patent for
2-Dimensional Ion Chromatography (2-D IC): US
Patent 8,101,422 B2 Multidimensional Chromatography Apparatus and Method.
This patent discusses an application for the analysis of trace ionic
contaminants and is especially useful for the detection of
drinking water contaminants in samples with
high concentrations of interferences. The application is approved by the US EPA for monitoring of contaminants in
drinking water, including routine compliance methods for trace bromate (EPA 302),
perchlorate (EPA 314.2), and haloacetic acids (pending).
The simplicity of
Reagent-FreeTM Ion Chromatography (RFIC
TM)
systems combined with 2-D provides an advantage in trace analysis in high
matrix samples. The method is fully automated, and only requires a source of
deionized water to produce all eluents and regenerants. Advantages of the 2-D
matrix diversion approach include:
- A large loop injection
(larger sample mass) onto the first dimension is enabled by the high
capacity 4 mm analytical column.
- The concentrator column
in the second dimension focuses analytes while matrix
ions are diverted to waste.
- The smaller
cross-sectional area of the second-dimension analytical column increases
detection sensitivity.
- Two different column
chemistries can be combined, increasing selectivity.
For more information on 2-D IC solutions, visit
www.thermoscientific.com/2DIC
About Thermo Fisher Scientific
Thermo Fisher Scientific Inc. is the world leader in serving science. Our
mission is to enable our customers to make the world healthier, cleaner and
safer. With revenues of $12 billion, we have approximately 39,000 employees and
serve customers within pharmaceutical and biotech companies, hospitals and
clinical diagnostic labs, universities, research institutions and government
agencies, as well as in environmental and process control industries. We create
value for our key stakeholders through three premier brands, Thermo Scientific,
Fisher Scientific and Unity
TM Lab Services, which offer a unique combination of
innovative technologies, convenient purchasing options and a single solution
for laboratory operations management. Our products and services help our
customers solve complex analytical challenges, improve patient diagnostics and
increase laboratory productivity.
All trademarks are the property of Thermo Fisher
Scientific Inc. and its subsidiaries.
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