Testing Services >> Phenols Testing

Phenols: Yellowing due to BHT

Test Method(s):
    · ISO 105-X18 & EPA Method 420.1

Phenols: Compound which, if found on fabric, may cause discoloration (yellowing or pinking).

ISO 105-X18: Assessment of the Potential to Phenolic Yellowing of Materials

  • James Heal Test Kit1 used to determine the propensity of a white product to yellow
  • Results are reported using AATCC Staining Scale
  • AATCC Committee round robin testing supported that this is a viable test for determining the propensity to yellow in storage.

1ATI (Advanced Testing Instruments Corporation) -- sole authorized representative of James Heal in North America & Canada; 316D Business Parkway, Greer, SC 29651. (864) 989-0566; fax (864) 989-0567

 

Phenolic Yellowing

Phenols: Compound which, if found on fabric, may cause discoloration (yellowing or pinking).

EPA Method 420.1 – Phenolics (Spectrophotometric, Manual 4-AAP with Distillation) Direct photometric method is used to determine the phenol level of a substrate.

  • Sample is extracted with water bath or Morapex extractor
  • Extract is analyzed by a spectrophotometer
  • Results reported in ppm (parts per million)