“…Vapor pressure data for thiodiglycol. ◊, this work; ▲, ref ; +, ref ; ○, ref ; ☆, ref ;⊗, ref ; *, ref ; ⧫, ref ; ●, ref ; □, manufacturers’ data sheets. The lower value found in ref , equivalent to P = (6.6) Pa, appears to be in error.…”
Section: Discussionmentioning
confidence: 99%
“…The earliest primary source reference containing experimental vapor pressure data and a detailed discussion of the method used was published by Bauer and Burschkies in 1935; that article contains 15 data points at T = (283.15 to 353.15) K and P = (93 to 400) Pa. Several subsequent reports of the normal and reduced pressure boiling points of TDG can be found in the literature. − All of the subsequent data conflict with the data of Bauer and Burschkies; however, none of them cites or discusses the earlier data. The lower value provided by Bronnert and Saunders and Szabo and Stiller’s value at P = (4533) Pa conflicts with all of the data in the literature, and the reasons for those differences are unclear.…”
Section: Introductionmentioning
confidence: 99%
“…Literature vapor pressure data and Antoine equation for thiodiglycol. – – −, ref Antoine equation; ▲, ref ; △, compilations; □, manufacturers’ data sheets; +, ref ; ○, ref ; ☆ ref ; ⊗ ref ; *, ref ; ⧫, ref ; ●, ref . The lower value found in ref , equivalent to P = (6.6) Pa, appears to be in error.…”
Thiodiglycol
(TDG), also known as bis(2-hydroxyethyl) sulfide and
thiodiethanol, is a precursor of the blister agent sulfur mustard
(bis(2-chloroethyl) sulfide). It is also a hydrolytic degradation
product, and as such, it is of considerable forensic interest to the
chemical defense community. Experimental vapor pressure data have
been reported previously for TDG at T = (283.15 to
353.15) K, in addition to reduced-pressure boiling points at T = (353.15 to 454.65) K. New data have been measured using
two complementary American Society for Testing and Materials International
methods at T = (417.75 to 538.58) K by differential
scanning calorimetry and in the ambient temperature range using saturator
methodology at T = (298.15 to 313.15) K. The new
TDG vapor pressure data are in sharp contrast to widely accepted values
from previous literature.
“…Vapor pressure data for thiodiglycol. ◊, this work; ▲, ref ; +, ref ; ○, ref ; ☆, ref ;⊗, ref ; *, ref ; ⧫, ref ; ●, ref ; □, manufacturers’ data sheets. The lower value found in ref , equivalent to P = (6.6) Pa, appears to be in error.…”
Section: Discussionmentioning
confidence: 99%
“…The earliest primary source reference containing experimental vapor pressure data and a detailed discussion of the method used was published by Bauer and Burschkies in 1935; that article contains 15 data points at T = (283.15 to 353.15) K and P = (93 to 400) Pa. Several subsequent reports of the normal and reduced pressure boiling points of TDG can be found in the literature. − All of the subsequent data conflict with the data of Bauer and Burschkies; however, none of them cites or discusses the earlier data. The lower value provided by Bronnert and Saunders and Szabo and Stiller’s value at P = (4533) Pa conflicts with all of the data in the literature, and the reasons for those differences are unclear.…”
Section: Introductionmentioning
confidence: 99%
“…Literature vapor pressure data and Antoine equation for thiodiglycol. – – −, ref Antoine equation; ▲, ref ; △, compilations; □, manufacturers’ data sheets; +, ref ; ○, ref ; ☆ ref ; ⊗ ref ; *, ref ; ⧫, ref ; ●, ref . The lower value found in ref , equivalent to P = (6.6) Pa, appears to be in error.…”
Thiodiglycol
(TDG), also known as bis(2-hydroxyethyl) sulfide and
thiodiethanol, is a precursor of the blister agent sulfur mustard
(bis(2-chloroethyl) sulfide). It is also a hydrolytic degradation
product, and as such, it is of considerable forensic interest to the
chemical defense community. Experimental vapor pressure data have
been reported previously for TDG at T = (283.15 to
353.15) K, in addition to reduced-pressure boiling points at T = (353.15 to 454.65) K. New data have been measured using
two complementary American Society for Testing and Materials International
methods at T = (417.75 to 538.58) K by differential
scanning calorimetry and in the ambient temperature range using saturator
methodology at T = (298.15 to 313.15) K. The new
TDG vapor pressure data are in sharp contrast to widely accepted values
from previous literature.
Data were collected that are needed to simulate soil fumigation with metham‐sodium with computation models. The rate of conversion of metham‐sodium into methyl isothiocyanate was dependent on temperature and soil type, and conversion was usually completed within a few hours. In comparison with dichloropropene, there was a higher water/gas distribution ratio and thus a slower vapour diffusion. Adsorption from the water phase onto the solid phase was weaker. The first‐order rate equation described the decomposition of methyl isothiocyanate and the half‐lives varied from a few days to a few weeks according to temperature and soil type.
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