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Detergents are used to clean residues such as oil, auxiliary materials, microbiological contamination used in production processes. Both the oil residue and the detergent residue used in the cleaning process remain on the product, creating pollution. Washing and rinsing steps are therefore important.

Detergent Residue analyses are performed according to the following standards.

ISO 2271 Surface active agents — Detergents — Determination of anionic-active matter by manual or mechanical direct two-phase titration procedure

ASTM F 2459-18 Standard Test Method for Extracting Residue from Metallic Medical Components and Quantifying via Gravimetric Analysis