Labthink Knowledge

  In the modern packaging material landscape, aluminum foil remains a cornerstone for preserving product integrity. From the pharmaceutical industry to the food industry, this thin metal sheet provides a level of protection that most polymers cannot match. As global markets shift toward extended shelf lives and stricter safety standards in 2026,understanding the performance and quality control of foil-based solutions is more critical than ever. Advantages of Aluminum Foil Packaging The widespread adoption of aluminum foil is driven by its unique physical and chemical properties: Total Barrier Protection: Aluminum foil acts as a "dead-fold" barrier, providing nearly zero oxygen transmission rate (OTR) and total resistance to light and odors. Moisture Barrier: It is the ultimate moisture barrier, effectively blocking water vapor to prevent spoilage, hydrolysis, and rancidity in sensitive products like fishery items or semi-moist snacks. Thermal Stability: It is non-flammable...

  Residue on Ignition (ROI) is a widely used analytical method to determine the amount of inorganic impurities in a material. It is commonly applied in pharmaceutical, chemical, and food-related industries where material purity is critical. In simple terms, ROI measures the non-combustible residue remaining after a sample is subjected to high-temperature ignition. Why ROI Matters Residue on Ignition is widely used for: Pharmaceutical quality control (e.g., USP <281>) Raw material purity evaluation Contamination monitoring Process consistency verification It provides a reliable indicator of total inorganic residue, even though it does not identify specific components. The Principle: Loss on Ignition ROI is based on gravimetric analysis , also known as loss-on-ignition . When a sample is heated in a muffle furnace (typically 500°C–800°C ): Organic substances decompose and volatilize Carbon-based materials are burned off Inorganic residues remain as ash The remaining residue re...

Residue on Ignition (ROI) testing is a critical analytical method used in the pharmaceutical, food, chemical, and advanced materials industries to determine inorganic impurities and product purity. Traditionally, this test has relied heavily on manual operations, making the process time-consuming, labor-intensive, and susceptible to operator variability. Leveraging more than 14 years of dedicated research and development, Labthink has introduced the C860 Integrated Residue on Ignition Testing System , a fully automated solution designed to streamline the entire testing workflow. From weighing and acid addition to ignition, cooling, reweighing, and constant-weight determination, the C860MH automates every critical step, significantly improving laboratory efficiency and data reliability. At the heart of the system is an intelligent robotic handling mechanism that automatically transfers crucibles between the analytical balance and the muffle furnace. This eliminates manual handling, red...