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By developing an entirely new method, myStandards is able to produce powder-pressed pellets with grain sizes down to the nanometer range as reference materials. These pellets are extremely homogeneous, without any binding agents, and matrix-matched, which makes them suitable for a variety of microanalytical techniques. The quality of our reference materials will promote the breakthrough of robust (micro) analytics, as we finally have homogeneous materials available for calibration and validation produced following ISO-guidelines.
The nano-pellets were born from the idea of harnessing the broad spectrum of well-known powdered certified reference materials for in situ analysis with laser ablation ICP mass spectrometry (LA-ICP-MS). However, the grain size of the “analytical grade” original powders is too coarse (60-150 μm) to be analysed by a microanalytical laser which itself has a spot size of 20-90 μm. The original powders are then further ground and pressed according to material-specific grinding protocols down to the nanometer range, whereby they are sufficiently homogeneous for microanalytical techniques. Customer-specific materials can also be processed into “in-house” reference materials.