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The second sampling system, consisting of a particulate filter and several XAD traps, was used for the collection of particulate and semi-volatile compounds.
5] For the collection of filter and XAD samples for chemical analysis, a large supplemental secondary dilution tunnel that permitted the use of an 203x254-mm (8x10-inch) Zefuor[TM] filter followed by four 10.
Advertising Equals to the total cost of advertising, media, and promotional expenses as reported in the annual Compustat item XAD.
Studies on the potent bacterial mutagen 3-chloro-4-(dichloromethyl)-5hydroxy-2(5H)-furanone: aqueous stability, XAD recovery and analytical determination in drinking water and in chlorinated humic acid solutions.
The tiny particles of the Fine XAD Sorbent Coating adhere to materials, such as glass, plastic, metal, and fabric because of the molecular attractive forces between the particles and the molecules--no adhesive substance is necessary other than the coating itself.
1999:Appendix G; XAD resin protocol used--Stafford et al.
The adsorption of direct red by banana peel and the adsorption of phenol by activated palm seed coat and XAD resin show similar behavior [40, 6, 41].
Water samples were extracted immediately upon arrival using the XAD resin process of Richardson et al.
Apak, Chromium speciation analysis by separation of Cr (III) from Cr (VI) on a XAD sorbent derivatized with shellac: a natural polymer, Int.
3 NA Abbreviations: DNPH, dinitrophenylhydrazine; GCFID, gas chromatography flame ionization detection; GCMS, gas chromatography/mass spectrometry; IC, ion chromatography; ICPMS, inductively coupled plasma mass spectrometry; LC/UV, liquid chromatography/ultraviolet detection; MB, microbalance; NA, not applicable; PUF, polyurethane foam; SMPS, scanning mobility particle sizer; TIGF, Teflon impregnated glass fiber; TOR, thermal/optical reflectance; XAD, XAD resin.
For the mutagenicity tests, the XAD extracts were dissolved in dimethyl sulfoxide.
20 ml of pooled urines from each group was passed through XAD column to concentrate weakly anionic compounds (Yamasaki and Ames, 1977).
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