The Department of Homeland Security’s Transportation Security Administration plans to launch a competition for a follow-on contract for program analysis and strategic support services. According to a ...

NASA Administrator Michael Griffin announced today the establishment of the Office of Program Analysis and Evaluation (PA&E), headed by Dr. Scott Pace. The Office of Program Analysis & Evaluation ...

In any chemical analysis, the most important step is sample preparation. The purity of the sample should be ensured before taking a measurement to obtain the optimum results when using any elemental ...

Four principal methods govern the preparation of samples for XRF analysis, each representing a different trade-off between analytical quality and speed/cost of preparation. A method involving the ...