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- W81297871 abstract "A method was developed to determine methylethyl ketone peroxide (1338234) (MEKO) in air, based on a series of tests on stability, the effects of temperature, time and oxygen, the effects of freezer storage, collection efficiency and vapor storage, use of teflon filters, and the effects of ketones on absorbance. MEKO was collected in a midget impinger containing 15 milliliters of dimethyl phthalate. A portion of the solution was treated with diphenylcarbohydrazide color reagent and heated to produce a violet color. The reaction was read spectrophotometrically at 565 nanometers and compared to values for known MEKO standards. The range of the method was 0.31 to 3.1 milligrams per cubic meter, and the limit of detection was 25 micrograms per 100 milliliters. Interferences may have occurred from other peroxides or potent oxidants, most ketones, or metal ions. The authors note that this method provides rapid sample collection and does not require sample elution or desorption, however, the midget impingers are awkward for use in sample collection and the color reaction is relatively nonspecific. They recommend that special care must be taken regarding sterility of the glassware used and storage of the samples." @default.
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- W81297871 date "1980-08-19" @default.
- W81297871 modified "2023-09-24" @default.
- W81297871 title "Investigation of an air sampling and analytical method for methyl ethyl ketone peroxide" @default.
- W81297871 hasPublicationYear "1980" @default.
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