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Merck

Trapping efficiency of selected adsorbents for various airborne pesticides.

Journal of environmental science and health. Part. B, Pesticides, food contaminants, and agricultural wastes (1991-08-01)
R B Leidy, C G Wright
RESUMEN

A study was conducted to compare the efficiency of five adsorbents used by government and private laboratories to collect airborne pesticides. Six pesticides, acephate, chlordane, chlorpyrifos, diazinon, heptachlor, and propoxur, were vaporized in a closed system and collected on each of the adsorbents, Chromosorb 102, ORBO 42, ORBO 44 (chlordane and heptachlor only), polyurethane foam (PUF) or Tenax GC, by drawing 250 L of air through the adsorbent. There were no differences in collection efficiency of the five pesticides on Chromosorb 102, ORBO's 42/44, and PUF. The efficiency with Tenax was somewhat less with several of the pesticides.

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Supelco
ORBO 53 gel de sílice activado (20/40) especialmente limpiado, 400/200 mg con filtros de fibra de vidrio, GFF,F,F separators, O.D. × L 7 mm × 100 mm, pkg of 50 ea
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ORBO 90 Carboxen® 564 (20/45) 160/80 mg, W,F,F separators, O.D. × L 6 mm × 75 mm, pkg of 25 ea, for analyte group MEK (methylethyl ketone)
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ORBO 80 Isocyanate Filter, with cassettes: no, filter O.D. 37 mm, pkg of 25 ea
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Gel de sílice activado ORBO 502 (20/45) 100/50 mg, W,W,F separators, O.D. × L 6 mm × 75 mm, pkg of 50 ea
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ORBO 43 Supelpak-20 especialmente tratado Amberlite XAD®-2 (20/40), 100/50 mg, W,W,W (specially treated) separators, O.D. × L 8 mm × 100 mm, pkg of 50 ea
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Gel de sílice activado (20/40) 150/75 mg ORBO 52 pequeño, paquete de 50, W,W,F separators, O.D. × L 6 mm × 75 mm, pkg of 50 ea
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Poly(styrene-co-divinylbenzene), microspheres, 6.0-10.0 μm avg. part. size
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ORBO 49P (OVS) Supelpak-20 especialmente tratado Amberlite XAD®-2 (20/40), 270/140 mg, RC,GFF,F,F (specially cleaned) separators, O.D. × L 13-8 mm × 75 mm , OSHA Versatile Sampler (OVS) Tube, pkg of 10 ea
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ORBO 402 Tenax® TA especialmente tratado (35/60), 100/50 mg, W,W,W separators, O.D. × L 8 mm × 100 mm, pkg of 50 ea
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ORBO 92 Carboxen® 564 (20/45) 160/80 mg, W,F,F separators, O.D. × L 6 mm × 75 mm, pkg of 25 ea, for analyte group Vinyl acetate
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ORBO 609 Amberlite XAD®-2 (20/50) 400/200 mg, W,W,W separators, O.D. × L 8 mm × 110 mm, pkg of 50 ea
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ORBO 554 H2SO4 sobre gel de sílice (20/40) 150/75 mg, W,W,W separators, O.D. × L 6 mm × 75 mm, pkg of 50 ea
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ORBO 80 Coated Filter, with cassettes unassembled
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ORBO 65P (OVS) Amberlite XAD®-4 especialmente limpiada, 160/80 mg, RC,GFF,F,F (specially cleaned) separators, O.D. × L 13-8 mm × 75 mm , OSHA Versatile Sampler (OVS), pkg of 10 ea
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ORBO 24 2-HMP en Amberlite XAD®-2 (20/40), 150/75 mg, W,W,W separators, O.D. × L 6 mm × 105 mm, pkg of 25 ea
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ORBO 23 2-HMP en Amberlite XAD®-2 (20/40), 120/60 mg, W,W,W separators, O.D. × L 6 mm × 85 mm, pkg of 25 ea