Weck Laboratories Installs 2nd Trace Metals Instrument - Agilent 7500ce Reaction Cell ICP-MS

Feb 1

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2/1/2007 4:00 AM  RssIcon

EPA 200.8 ICPMS Method (ug/L ppb)
Analyte MDL MRL

Aluminum

2.4

5.0
Antimony 0.052 0.50
Arsenic 0.066 0.40
Barium 0.36 0.50
Beryllium 0.035 0.10
Boron 0.61 3.0
Cadmium 0.023 0.10
Chromium 0.016 0.20
Cobalt 0.014 0.10
Copper 0.085 0.50
Lead 0.042 0.20
Manganese 0.015 0.20
Mercury 0.016 0.050
Molybdenum 0.016 0.10
Nickel 0.14 0.80
Selenium 0.14 0.40
Silver 0.019 0.20
Strontium 0.031 0.20
Thallium 0.011 0.20
Thorium 0.028 0.20
Tin 0.019 0.20
Titanium 0.32 2.0
Tungsten 0.024 0.50
Uranium 0.015 0.20
Vanadium 0.12 0.50
Zinc 0.73 5.0
Zirconium 0.026 0.50
EPA 200.8 ICPMS Method (ug/L ppb)
Analyte MDL MRL
Mercury 0.00012 0.00020

ICPMS ImageInductively Coupled Plasma-Mass Spectrometry (ICP-MS) is widely acknowledged as the premier technique for trace metals analysis. It provides much greater sensitivity than ICP-OES, and far higher sample throughput than sensitive, but slow GFAA. ICP-MS meets both these requirements, over a wider analytical working range, and is capable of simultaneously measuring the hydride elements and trace Mercury, while adding semiquantitative and isotopic analysis capabilities. With second generation Octopole Reaction System (ORS) technology, the 7500ce is the most powerful ICP-MS available, with quantification in the part-per-trillion (ppt) level range in the most challenging sample matrices.

  • Collision mode removes matrix interferences.
  • Low-ppt level quantification, in complex matrices.
  • Highest dynamic range of any ICP-MS (109 ).
  • Sample introduction system handles high matrix samples.

Weck Laboratories has been providing ICP-MS analyses to clients since 1996. EPA methods 200.8 and 6020 have been tailored to obtain maximum sensitivity in complex matrices using the unique collision cell Helium & Hydrogen modes. The collision cell is switched off for drinking water compliance purposes and is only needed in more difficult matrices. The current Perkin-Elmer ELAN 6100 DRC instrument has been moved into our clean room environment for analysis of ultra low-level trace metals analysis by EPA 1638/1640 methods (info in a future newsletter).

 

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