as an absorber of evaporating simulant into the air space of the container .
Table 1 below shows the list of CWA simulants programmed in the detection system .
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All simulant solutions were purchased from Sigma-Aldrich with high purity ( 98-99 %), with the exemption of disopropyl methylphos- phonate which was purchased from
Ceril- liant .
Methanol was HPLC grade purchased from
Caledon Chemicals , On- tario .
* Assignment Positive Mode : Monomer MH + ion and Dimer ion M2H + * Assignment Negative Mode : M- ion and clustering with dopant reagent . Ammonium nitrate is ionized by dissociative electron capture to form NO3- peak and its hydrated ions .
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