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Permeation of Limonene Through Disposable Nitrile Gloves Using a Dynamic and Static Robot Hand



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  • Personal Author:
  • Description:
    Objectives: To compare the permeation of pure limonene as a low volatile solvent through different disposable nitrile gloves (blue, purple, sterling, and lavender from Kimberly Clark Professional) in a dynamic and static robotic hand as a whole glove permeation model. Methods: A Yeager robotic hand was assembled to provide a 20-second clench cycle. A circulating water system using Viton tubing connected to a peristaltic pump was used to transfer water at 35 degrees C from the glove to the sampling point. Experiments were in triplicate. Aliquots of 1 mL were taken at permeation time intervals of 1.0, 10, 20, 40, 60, and 80 min, 2.0, 4.0, 6.0, and 8.0 h., and deposited into 1.5-mL vials. The analytical method was based on capillary column gas chromatographymass spectrometry with temperature programing and the internal standard method (4-bromophenol). The pre and postpermeation glove thicknesses were measured by a digital micrometer. Results: The average thicknesses after permeation for all specific glove types were greater than 10% of the original ones (P ≤ 0.05). The average permeation rate for the lavender gloves for the moving robotic hand (0.490 +/- 0.031 ug/cm2/min) was higher than for the non-moving hand (P ≤ .05),unlike for the other gloves. The average standardized breakthrough times at 0.1 ug/cm2/min for the moving and static hands were not different (P ≤ 0.05). These times increased with glove thickness. Conclusions: None of the gloves passed the Kimberly Clark Professional permeation breakthrough time criteria or the Ansell criteria. They should not be used as PPE for exposure to limonene, even for very short exposure periods. Nitrile blue gloves may be safe for short exposures of less than 20 minutes. [Description provided by NIOSH]
  • Subjects:
  • Keywords:
  • Publisher:
    American Industrial Hygiene Association
  • Document Type:
    Text
  • Funding:
    Grant
  • Genre:
    Abstract or Summary
  • Place as Subject:
  • CIO:
    National Institute for Occupational Safety and Health (NIOSH)
  • Topic:
    Workplace Safety & Health
  • Location:
    North America
  • Pages in Document:
    8
  • NIOSHTIC Number:
    nn:20055831
  • Citation:
    AIHce 2015: American Industrial Hygiene Conference and Exposition, May 30 - June 4, 2015, Salt Lake City, Utah. Falls Church, VA: American Industrial Hygiene Association, 2015 May; :8
  • CAS Registry Number:
    Limonene (CAS RN 138-86-3)
  • Federal Fiscal Year:
    2015
  • Performing Organization:
    University of California Los Angeles
  • Peer Reviewed:
    False
  • Start Date:
    20050701
  • Source Full Name:
    AIHce 2015: American Industrial Hygiene Conference and Exposition, May 30 - June 4, 2015, Salt Lake City, Utah
  • End Date:
    20270630
  • Collection(s):
  • Main Document Checksum:
    urn:sha-512:70faab0510c87101debc68125223a737ac2471af0f71d8b182b53883dcca3726a5ec773d18a8e0d05015fddc31808fedec7722fedb3d7a61ad9cf207a62b3778
  • Download URL:
  • File Type:
    Filetype[PDF - 665.14 KB ]
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