loading preview...
summary
Official TAPPI test method for determining formaldehyde in aqueous solutions and free formaldehyde in resins.
description
TAPPI T 600 om-11 provides a standardized titration procedure for analyzing formaldehyde content in aqueous solutions and measuring free or unreacted formaldehyde in resins used for paper treatment. The method covers apparatus, reagent preparation, sampling, specimen handling, titration, blank determination, calculation, reporting, and precision. It uses sodium sulfite reaction chemistry followed by sulfuric acid titration with thymolphthalein indicator, with guidance for minimizing resin hydrolysis and formaldehyde evaporation. This three-page PDF is useful for laboratories, paper manufacturers, resin suppliers, quality professionals, and technical teams evaluating formaldehyde in paper-related materials.
Application Scope: Laboratory analysis of formaldehyde in aqueous solutions, urea-formaldehyde resins, paper treatment materials, and related paper industry products.
Details
Publisher
TAPPI
File size
45.3 KB
Pages
3
Format
PDF
Publication date
2011
