MIL-DTL-450D
.
4.4.19.2.4 Calculation of test results. Calculate the percentage of aromatics as follows:
%
,/
.
%
,/
.
%
,/
*is the correction factor for the detector response
** is the percentage of internal standard added.
4.4.19.3 Tests for olefinic and cycloolefinic compounds.
4.4.19.3.1 Equipment.
a. Two test tubes
4.4.19.3.2 Reagents.
a. Carbon tetrachloride
b. Bromine
c. Acetone
d. Permanganate
4.4.19.3.3 Method.
a. Take two test tubes and place two drops of the distillate from 4.4.20.1 in each.
b. Dissolve the first sample in 1 mL of carbon tetrachloride, and add one drop of 1 percent
bromine in carbon tetrachloride.
c. Shake first sample and allow to sit for 5 minutes. A positive test is indicated by the
complete absence of yellow color when observed against a white background.
d. Dissolve the second sample in 1 mL of acetone, and add one drop of 1 percent
permanganate solution (1 g of potassium permanganate crystals in 95 mL of acetone and 5 mL of
water).
e. Shake and allow to sit for 2 minutes. A positive test is indicated by the decolorization of
the purple solution.
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