Permeability to Methyl Bromide of Plastic Films and Plastic-and Rubber-Coated Fabrics1

Phillips, G. L.; Nelson, Howard D.

doi:10.1093/jee/50.4.452

Cited by 5 publications

(2 citation statements)

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“…If all of the methyl bromide injected (using 1 ml of the gas) were absorbed by the dates, the maximum possible would be 21 ppm. However, methyl bromide passes readily through packaging materials, so the amount absorbed by the dates should only be a fraction of the amount injected into the headspace (8). No methyl bromide could be detected by gas chromatographic analysis when bag headspace was analyzed 2 weeks after addition of 2 ml of methyl bromide.…”

Section: Methyl Bromide Gas Is Widely Used For Thementioning

confidence: 99%

Antimicrobial Protection of Moisturized Deglet Noor Dates

Bolin¹,

King²,

Stanley³

et al. 1972

Applied Microbiology

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Section: Methyl Bromide Gas Is Widely Used For Thementioning

confidence: 99%

Antimicrobial Protection of Moisturized Deglet Noor Dates

Bolin¹,

King²,

Stanley³

et al. 1972

Applied Microbiology

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“…Fumigation of stored products in bags is often done under plastic sheets, usually of 0.1-0.15 mm thickness (Bond 1984), although other types of covering material have been tested for gas penetration by chemicals such as methyl bromide (Phillips and Nelson 1957). Pointel (1971) recommended fumigation of legumes with carbon tetrachloride in plastic bags of 250-300 pm thickness.…”

mentioning

confidence: 99%

The Loss of a Grain Fumigant Mixture of Carbon Tetrachloride and Carbon Bisulfide Through Sealing and Various Covering Materials

Loschiavo

White

1987

Can Entomol

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Fumigants that are liquid formulations at room temperature have been widely used to kill insects in stored products, containers, and soil. Carbon bisulfide was one of the first fumigants used on a large scale as early as 1869 and is still the main fumigant used in some parts of the world (Bond 1984). Carbon bisulfide is highly flammable (Fleming and Baker 1935) and is usually formulated with carbon tetrachloride to aid distribution of fumigants in grain masses (Berck 1958) and to reduce the fire hazard. Although carbon tetrachloride is of low toxicity to insects it causes extensive liver damage in humans (Rouiller 1964). Liquid fumigants were widely used to disinfest stored grain in the USA until recently (White et al. 1985), and are still used in many other parts of the world (FA0 1985).

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Permeability of plastic films to methyl bromide: a comparative laboratory study

et al. 1998

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: The permeability of plastic Ðlms to the fumigant methyl bromide (MB) was measured by two di †erent methods, in order to facilitate the selection of Ðlms which are impermeable to the gas. Polyethylene-based Ðlms are highly permeable to MB, as evidenced by both methods. In contrast, multilayer coextruded Ðlms which have a layer of barrier material such as polyamide (PA) or ethylenevinyl alcohol copolymer (EVOH) were signiÐcantly less permeable to MB, as reÑected by the parameters permeability rate, time to 90% concentration (TC 90 , by the di †usion method) and lag-time values (by the variable-volume method). A signiÐcant correlation was found between the permeability rate assessed by the di †usion method and that obtained with the variable-volume method. Permeability of all Ðlms increased with temperature as evidenced by all tested parameters. This increase was more pronounced with polyethylene Ðlms, the permeabilities of which increased Ðve-to six-fold when the temperature was increased from 20¡C to 60¡C. The e †ect of temperature on barrier-Ðlm permeability was less signiÐcant. Permeability of Ðlms to MB was a †ected by additional factors such as additives, the length of the monomer side-chain, and the thickness and density of polyethylene Ðlms.1998 SCI ( Pestic. Sci., 53, 141È148 (1998)

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Permeability to Methyl Bromide of Plastic Films and Plastic-and Rubber-Coated Fabrics1

Cited by 5 publications

References 0 publications

Antimicrobial Protection of Moisturized Deglet Noor Dates

Antimicrobial Protection of Moisturized Deglet Noor Dates

The Loss of a Grain Fumigant Mixture of Carbon Tetrachloride and Carbon Bisulfide Through Sealing and Various Covering Materials

Permeability of plastic films to methyl bromide: a comparative laboratory study

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