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Process Analytical Technology Advances

By Wolfgang Lubcke, Endress+Hauser |

Developments in laser technology and significantly increased computing power are making process analyzers available for new applications and even for closed-loop control Process analytical technology (PAT) has undergone rapid development in recent years. Further developments in laser technology, the miniaturization of optical and electronic components and the implementation of complex chemometrics models (Figure 1) now enable novel and robust field instruments that can analyze even diverse mixtures of substances in a highly selective manner. This article presents an overview of PAT, and describes some of the applications and benefits of these technologies. It also addresses some of the misconceptions about cost and reliability issues.   Figure 1. Thanks to technology advances, the complexity of analytical instruments is being reduced. Color measurements, for example, can now be performed with the compact field device (right) that contains everything — spectrometer, probe and electronics for data processing[/caption] Introduction to PAT I wonder if Paul Gmelin had any idea of the success story he had initiated in the chemical process industries (CPI). At the beginning of the 20th century, the workers in the physical laboratory…
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