Near-infrared spectroscopy - Wikipedia Instrumentation for near-IR (NIR) spectroscopy is similar to instruments for the UV-visible and mid-IR ranges There is a source, a detector, and a dispersive element (such as a prism, or, more commonly, a diffraction grating) to allow the intensity at different wavelengths to be recorded
What Is Near-Infrared (NIR) and How Is It Used? Near-infrared (NIR) light is a segment of the electromagnetic spectrum, positioned just beyond the visible red light Invisible to human eyes, NIR extends from wavelengths around 750 nanometers up to approximately 2500 nanometers
Identify anything anywhere in seconds - NIRLAB We revolutionize on-site analysis, enabling instant, and anywhere discovery of material composition with handheld NIR spectroscopy Using a robust database, advanced chemometric techniques, and machine learning, our solution analyzes spectral data to deliver precise material compositions
NIR Spectroscopy - an overview | ScienceDirect Topics Near-infrared (NIR) spectroscopy is concerned with absorption, emission, reflection, and diffuse-reflection of light in the region of 800–2500 nm (12,500–4000 cm − 1)
NIR vs IR: What is the difference? - Metrohm In the first article in our series about near-infrared (NIR) spectroscopy, we have explained what NIR spectroscopy is This article focuses on the difference between near-infrared and infrared (IR) spectroscopy, which is often also called mid-infrared (mid-IR) spectroscopy
Near-Infrared Spectroscopy | Thermo Fisher Scientific - US Near-infrared spectroscopy (NIR) is a widely used rapid alternative to time-consuming, solvent intensive, wet-chemistry methods and chromatographic techniques Rely on NIR to quickly verify incoming raw materials, monitor reaction progress, and quantify final products with ease
NIR Spectroscopy: What It Is, Principles, Advantages, and Applications Near-infrared spectroscopy, known as NIR spectroscopy or NIRS, is a long-established analytical technique For over 30 years, it has proven to be a fast and reliable method for measuring chemical and physical properties in solids and liquids