Chemical Indicators in Sterilization (ISO 11140): Classification, Types, Principles and Applications
Chemical Indicators in Sterilization (ISO 11140): Classification, Types, Principles and Applications Quick Summary: Chemical indicators are materials used in sterilization monitoring that change color when exposed to sterilization parameters such as temperature, steam, and time. According to ISO 11140, chemical indicators are classified into six categories (Class 1 to Class 6) and are widely used in pharmaceutical manufacturing, healthcare sterilization, and microbiology laboratories to verify sterilization exposure conditions. Sterilization assurance is a critical requirement in pharmaceutical manufacturing, healthcare facilities, microbiology laboratories, and medical device industries. One of the most important monitoring tools used during sterilization processes is the chemical indicator (CI) . Chemical indicators provide immediate visual confirmation that sterilization parameters such as temperature, time, and sterilant exposure were achieved. This article provides a ...