MIL-PRF-87930B
APPENDIX A
��2�4 × % ��� (���� �. 2.1.2)
A.2.1.3 Calculations.
%�2�4 =
����� ����ℎ�
�� � × % �2� (���� �. 2.1.2)
��2� + � 2 4
�
% �2� =
����� ����ℎ�
100
× 100
A.2.1.4 Quality control. Verify the HPH analysis falls within 10% of historical values. Analyze
the H-70 prepared standard with the samples to be tested. The following performance criteria must be
met for fuel purity analysis,
H₂O content RSD ≤ 1 %
a
GC replicate analyses (3 consecutive)
a. RSD = Standard Deviation * 100% / Mean
A.2.1.5 Equipment and reagents. The following equipment and reagents shall apply as test
conditions of A.2.
a. Equipment:
(1) Gas chromatograph equipped with a thermal conductivity detector (TCD) and a split
injector.
(2) Agilent ChemStation or equivalent.
(3) A 60 m x 0.53 mm ID and 1 µm film thickness DB-wax capillary column (Agilent P/Ns
125-7062 or equivalent).
(4) Glass wool packed split liner (Agilent P/N 5183-4647 or equivalent).
(5) Analytical balance calibrated to 0.0001g.
b. Reagents:
(1) High Purity Hydrazine (HPH) conforming to MIL-PRF-26536.
(2) Helium conforming to MIL-PRF-27407.
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