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Scope

1.1 This test method covers organic solvents containing active oxygen in the range from 5 to 80 ppm or higher. By using a special reaction-absorption cell, the test method can be extended to cover the range from 0 to 5 ppm. The test method can be used to determine numerous peroxide classes of varying reactivity such as hydroperoxides, diacyl peroxides, diaroyl peroxides, peresters, and ketone peroxides. The stable di- tert -alkyl peroxides do not react under the conditions of analysis.

1.2 Solvents that can be successfully analyzed include saturated and aromatic hydrocarbons, alcohols, ethers, ketones, and esters. In addition, the test method is applicable to olefinic solvents and to certain compounds that contain [alpha], [beta], and conjugated unsaturation. Solid samples that are soluble in the acetic acid-chloroform solvent can also be analyzed.

1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Keywords

assay; organic; peroxides; spectrophotometric

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