ASTM E 440 : 1972 : R1988
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Test Method for Traces of Peroxides in Organic Solvents with N, N=+ -Diphenyl-P-Phenylenediamine (Withdrawn 1994)
15-12-1994
31-12-2010
CONTAINED IN VOL 15.05 Covers organic solvents containing active oxygen in the range 0 to 5 ppm or higher. Successful analysis has been performed on the following solvents benzene, toluene, n-hexane, and acetic acid. Some solvents cannot be analyzed by this test method as they prevent or retard the formation of the colored complex.
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