SEDL / STP / STP989-EB / STP26297S

Using Dipropyl Sulfide to Test the Leakage of Protective Clothing

Fang, G
Professor, professor, and engineer, Research Institute of Chemical Defence, Beijing,

Dingmao, H
Professor, professor, and engineer, Research Institute of Chemical Defence, Beijing,

Huaimin, W
Professor, professor, and engineer, Research Institute of Chemical Defence, Beijing,

Pages: 7    Published: Jan 1988

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Abstract

Dipropyl sulfide is used as a leakage testing gas for either a carbon-containing permeable chemical protective suit or a permeation-resistant suit. It has the advantages of low toxicity, easiness of adsorption by activated carbon, relatively high vapor pressure, and commercial availability.

A sensitive Chloramide-Ester-Congo Red (CEC) indicator paper (cloth) was developed that can detect 0.014 mg/dm³ of dipropyl sulfide vapor by color change within 2 min.

Testing procedures are demonstrated that can evaluate the protective suit's airtightness.