MIL-PRF-25604F
APPENDIX B
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B.2.1.3 Calculation. Use the following formula to calculate the NDMA content of the propellant:
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where
=
NDMA Standard concentration, µg/µL
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=
Area of the sample NDMA peak times its signal attenuation factor.
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=
Area of the standard NDMA peak times its attenuation factor.
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=
Density of UDMH, 790.8 µg/µL
B.2.1.4 Reagents and equipment.
B.2.1.4.1 Reagents.
a.
NDMA Analytical standard, certified.
B.2.1.4.2 Equipment.
a. Gas chromatograph equipped with a flame ionization detector (FID) and a split injector.
b. Agilent ChemStation or equivalent.
c. A 60 m x 0.53 mm ID and 1 µm film thickness Stabilwax®-DB capillary column (Restek
catalog No. 10858 or equivalent).
d. Glass wool packed split liner (Restek P/N 23309 or equivalent).
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