Detection of resin acid compounds in airborne particulate generated from rosin used as a soldering flux

American Industrial Hygiene Association Journal
P A SmithK Still

Abstract

Various uses of rosin and exposure to its resin acid constituents have been associated with dermal and pulmonary sensitization. Methodology is presented to detect resin acids common to rosin (such as abietic and dehydroabietic acid) found in aerosol from heated rosin flux. Air filtration, solvent filter extraction, and gas chromatography/mass spectrometry were used to provide qualitative and quantitative information on the resin acid content of aerosol produced during soldering with rosin flux. Abietic acid and dehydroabietic acid were identified and quantified in aerosol derived from heated rosin flux, in samples collected in the field and in laboratory generated samples. Other resin acids (including several apparently oxidized resin acids) were detected, but not quantified. Laboratory mass balance experiments using soldering temperatures and liquid rosin flux showed that much of the nonvolatile material originally present in unheated flux may be captured on a sampling filter following heating and aerosolization. The data presented suggest that resin acids are a major component (with regard to mass) of the airborne contaminants produced during soldering with rosin flux. Abietic acid was shown to be unstable on sampling filters...Continue Reading

References

Feb 1, 1979·Thorax·P S BurgeM Green
Jan 1, 1988·The Journal of Pharmacy and Pharmacology·A T KarlbergJ L Nilsson
Aug 1, 1987·Contact Dermatitis·C L Goh, S K Ng
Oct 1, 1985·Contact Dermatitis·A T KarlbergJ E Wahlberg
May 1, 1983·Contact Dermatitis·L Widström
Mar 1, 1984·Journal of the American Academy of Dermatology·C G Mathias, R M Adams

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