Separate the Chemistry from the Physics with EMSC

EMSC, Extended Multiplicative Scatter Correction, is a powerful preprocessing technique that isolates and removes complicated multiplicative effects caused by physical phenomena so that chemical effects can be more easily modeled. The most common physical effect is light scattering in reflectance spectroscopy which is depended on particle size distributions. EMSC expands on the popular Multiplicative Scatter/Signal Correction technique by offering much improved flexibility in selecting backgrounds to subtract known interferences as well as scaling targets and known analyte spectra.

Examples of this bleeding-edge technology:

  • Martens H, Stark E., "Extended multiplicative signal correction and spectral interference subtraction: new preprocessing methods for near infrared spectroscopy," Journal of Pharmaceutical and Biomedical Analysis 1991; 9: 625-635.

  • Martens, H.; Nielsen, J. P. and Engelsen, S. B. "Light Scattering and Light Absorbance Separated by Extended Multiplicative Signal Correction. Application to Near-Infrared Transmission Analysis of Powder Mixtures" Analytical Chemistry 2003; 75(3), 394-404.

  • Gallagher, N.B, Blake, T.A., Gassman, P.L., "Application of Extended Multiplicative Scatter Correction to mid-Infrared Reflectance Spectroscopy of Soil" accepted Special Issue for Sijmen de Jong Journal of Chemometrics; 2005.

System Requirements

Requires PLS_Toolbox and MATLAB 6.5, 7.x or higher. MIA_Toolbox does not require other MATLAB toolboxes other than PLS_Toolbox. Like most MATLAB toolboxes, MIA_Toolbox is platform independent. It will function on any platform on which MATLAB functions (e.g. MAC, PC, Linux).

NOTE: You must upgrade your PLS_Toolbox to the corresponding latest version to use MIA_Toolbox.

Product Support

Eigenvector Research offers user support for EMSC_Toolbox by e-mail at helpdesk@eigenvector.com. Questions are almost always answered within 24 hours (and usually much less). Updates and bug fixes will be available for users to download from our web site. For information on other support options, see our technical support page.

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Order EMSC_Toolbox

For information on multi-client servers, site-licenses, and OEM options, contact us by phone (509.662.9213) or e-mail (sales@eigenvector.com). Our product pricelist information page includes pricing and other order information for all of our products.