This article explains the pros and cons of using correlation versus multivariate algorithms for material identification via handheld spectroscopy.
Extract:
The development of portable and handheld tools in the past decade has introduced new valuable analytical capabilities for quality control, quality assurance and manufacturing traceability in the pharmaceutical industry. As a result, there has been a dramatic change in the way the industry carries out identification and validation of raw materials. The performance of these portable devices has improved significantly and, in some cases, is able to generate data quality equivalent to laboratory-grade bench instruments.