Contact for this Instrument: 

Todd Sowers

Laboratory Scientist

Email: 
tas11@psu.edu
Phone: 
814-865-1921
EESL Manager: 

Odette Mina

Managing Director of Energy and Environmental Sustainability Laboratories (EESL).

Email: 
oom5021@psu.edu
Phone: 
814-863-0002
Technical Director: 
Susan Brantley
Equipment full name: 
Costech 4100 Elemental Analyzer attached to a Finnigan MAT 252 Mass Spectrometer via a Thermo Conflo III Interface

Address: Research West Room 110

Description: The Costech EA/MAT 252 is used to measure elemental and isotopic composition of solid samples containing C and N. Our analysts can measure elemental and isotopic composition with weight % greater than 0.1% C or N. In most cases we can measure for C and N in a single sample. We are in the process of developing techniques to measure both 34/32S as well as 33/32S with a new collector array on solid samples. Check back for progress update.

Our detection limits are 0.3% C and 0.1% N. While the reproducibility for d13C and d15N depends on the %C and %N present in the sample, in general the reproducibility is + 0.20/00 and + 0.350/00 for d13C and d15N, respectively.

13C and 15N analysis - Cost per Sample - Cost is based on analysis of 5 samples per hour; * User Weighs Samples, ** Lab Weighs Sample

              Internal Rate

    External Academic Rate

     External Non-Academic Rate

   $ 11.60*

  $14.00**

    $27.54*

  $29.90**

     $28.41*

        $30.80**

 

13C or 15N analysis - Cost per Sample - Cost is based on analysis of 7 samples per hour; * User Weighs Samples, ** Lab Weighs Sample

              Internal Rate

    External Academic Rate

     External Non-Academic Rate

   $ 8.28*

  $10.65**

    $19.67*

  $22.00**

     $20.29*

        $22.66**

Internal Rate: 
Instrument time: $58.00/hour; Operator time: $53.40/hour
External Academic Rate: 
Instrument time: $137.68/hour; Operator time: $83.79/hour
External Non-Academic Rate: 
Instrument time: $142.06/hour; Operator time: $86.46/hour
Techniques: