Manufacturing Solutions Center

Phenols: Yellowing

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

Phenols: Compound which, if found on fabric, may cause discoloration (yellowing or pinking). For more information, visit Yellowing due to BHT at the Sock Testing Consortium.

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

 

 

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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)

 

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