Low-field permanent magnets for industrial process and quality control

Area of Science:

• Analytical Chemistry
• Physical Chemistry
• Materials Science

Background:

• Low-field Nuclear Magnetic Resonance (NMR) is a rapidly advancing analytical technique.
• Existing reviews often lack comprehensive coverage of hardware, experimental methods, and practical guidance for low-field NMR.
• The diverse applications necessitate a focused review on technological aspects and industrial relevance.

Purpose of the Study:

• To present the state-of-the-art in low-field NMR technology, including hardware and experimental methodologies.
• To provide practical guidance for optimizing results and interpreting data from low-field NMR instruments.
• To highlight key industrial applications of low-field NMR, showcasing its practical utility.

Main Methods:

• Review of current magnet designs, radiofrequency (rf) performance, and data processing techniques in low-field NMR.
• Discussion of general principles and specific considerations for low-field NMR experiments.
• Selection and presentation of representative industrial applications to illustrate hardware and experimental capabilities.

Main Results:

• The review details advancements in low-field NMR hardware, such as magnet designs and rf systems.
• Guidance is provided on data processing and interpretation for enhanced experimental outcomes.
• Selected industrial applications demonstrate the versatility and effectiveness of low-field NMR.

Conclusions:

• Low-field NMR technology is mature and offers diverse applications, particularly in industrial settings.
• Optimized hardware and experimental approaches are crucial for maximizing the utility of low-field NMR.
• This review serves as a valuable resource for both new and experienced users of low-field NMR technology.