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| MIL-P-670A
to a tared porcelain crucible, and char and burn off the filter paper at
low heat.
Ignite over a Meker burner until the precipitate is white,
Cool and weigh as
then ignite over a blast burner for 15 minutes.
Calculate as follows:
Percent total phosphorus = 27.83 x grams of precipitate
grams of sample in aliquot
18
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