Category: Chemical Analysis

Thin films are used to impart specific functional properties to materials and components, including corrosion resistance, adhesion, electrical conductivity, optical performance, barrier protection, and wear resistance. These films may be only a few nanometers to several microns thick, yet they often determine whether a product performs as intended. Because thin films are so small and highly surface-dependent, analyzing their composition, thickness, and interface behavior requires specialized analytical techniques and careful interpretation.

Material and component defects can appear in many forms—cracks, voids, inclusions, delamination, contamination, discoloration, coating irregularities, surface imperfections, or unexpected structural changes. In manufacturing and product applications, even small defects can lead to performance problems, reliability concerns, or complete failure. However, identifying the visible defect is only the beginning. The real challenge is determining why the defect formed, how it developed, and whether it originated from material selection, processing conditions, environmental exposure, or service-related stress.

What is Unknown Material Identification?

Unknown material identification is a specialized analytical process used to determine the chemical composition, morphology, and origin of an unidentified substance found in products, processes, or industrial environments. These unknowns may be organic, inorganic, metallic, or polymer-based and are often present as contaminants, residues, or defect-causing inclusions.

At Rocky Mountain Labs, unknown material identification is performed using advanced techniques such as FTIR spectroscopy, SEM imaging, EDS elemental analysis, XPS surface chemistry, AES ultra-thin surface profiling, and metallurgical evaluation. This integrated approach allows precise identification even for trace, degraded, or complex multi-phase materials.

Contamination is one of the most common—and often most difficult—problems to diagnose in materials and manufacturing environments. It can originate from raw materials, processing equipment, handling, packaging, or environmental exposure. In many cases, contamination is not immediately visible, yet it can significantly impact product performance, reliability, and quality. Issues such as adhesion failure, surface defects, discoloration, electrical malfunction, or premature degradation are frequently traced back to contaminants that were not initially detected.

When a material or component fails, the visible issue is often only a small part of a much larger problem. Cracking, delamination, contamination, corrosion, or loss of performance are typically symptoms—not root causes. In many cases, failures result from a combination of material selection, formulation complexity, surface conditions, processing variables, and environmental exposure over time. Without a structured and technically sound investigation, it is easy to misinterpret these symptoms and arrive at incomplete or incorrect conclusions.

UV (Ultraviolet) and visible (Vis) spectroscopy are two closely related techniques that together form UV-Vis spectroscopy. The main difference between them lies in the range of wavelengths they cover.

UV (Ultraviolet), IR (Infrared), and NMR (Nuclear Magnetic Resonance) spectroscopy are three different techniques used for analyzing the structure and composition of molecules. Each spectroscopic method provides unique information about the properties of molecules based on their interactions with electromagnetic radiation. Here are the main differences between UV, IR, and NMR spectroscopy: