Application Note: THGA Graphite Furnace AA – Automatic Matrix Modification for Improved Analytical Quality and Sample Throughput
18 May 2012

The matrix modification technique is a very important feature in the concept of interference-free trace metal determinations. Applying this technique, the chemical forms, and thereby the physical properties, of the element under study and/or the matrix, can be changed by adding a suitable reagent in excess to the sample and standard reference solutions. This note provides detailed information on how to prepare the most common matrix modification solutions.

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