MIL-PRF-26539F
CONTENTS
PAGE
PARAGRAPH
1
SCOPE ..................................................................................................................................... 1
1.1
Scope........................................................................................................................................ 1
1.2
Classification............................................................................................................................. 1
2
APPLICABLE DOCUMENTS ................................................................................................... 1
2.1
General ..................................................................................................................................... 1
2.2
Government documents ........................................................................................................... 1
2.2.1
Specifications, standards, and handbooks ............................................................................... 1
2.3
Non-Government publications .................................................................................................. 2
2.4
Order of precedence................................................................................................................. 2
3
REQUIREMENTS..................................................................................................................... 2
3.1
Chemical composition and physical properties ........................................................................ 2
3.2
Limiting values .......................................................................................................................... 2
3.3
Filter .......................................................................................................................................... 2
3.4
Qualitative................................................................................................................................. 2
3.5
Leakage .................................................................................................................................... 3
4
VERIFICATION ........................................................................................................................ 4
4.1
Classification of inspections ..................................................................................................... 4
4.2
Quality conformance inspection ............................................................................................... 4
4.2.1
Individual tests .......................................................................................................................... 4
4.2.2
Sampling tests .......................................................................................................................... 4
4.2.2.1
Sampling Plan .......................................................................................................................... 4
4.2.2.1.1
Sample...................................................................................................................................... 4
4.2.2.1.1.1
Sampler.................................................................................................................................... 4
4.2.2.1.2
Cylinders, portable tanks, cargo tanks, tank cars and other containers .................................. 5
4.2.2.1.3
Method of taking sample .......................................................................................................... 5
4.2.3
Rejection................................................................................................................................... 5
4.3
Test methods ............................................................................................................................ 5
4.3.1
Examination of product ............................................................................................................. 5
4.3.2
Nitric oxide (NO) content .......................................................................................................... 5
4.3.2.1
Nitric oxide assay ..................................................................................................................... 5
4.3.2.1.1
Tared sample............................................................................................................................ 5
4.3.2.1.2
Procedure ................................................................................................................................. 5
4.3.2.1.3
Calculation ................................................................................................................................ 6
4.3.2.2
Alternate procedure .................................................................................................................. 6
4.3.2.2.1
Preparation ............................................................................................................................... 6
4.3.2.2.2
Procedure ................................................................................................................................. 6
4.3.2.2.3
Calibration curve....................................................................................................................... 7
4.3.3
Dinitrogen tetroxide assay ...................................................................................................... 11
4.3.3.1
Preparation of sample ............................................................................................................ 11
4.3.3.1.1
Oxidation state........................................................................................................................ 11
4.3.3.1.1.1
NTO composition .................................................................................................................... 11
4.3.3.1.1.2
MON composition ................................................................................................................... 11
4.3.3.1.2
Sample sealing ....................................................................................................................... 11
4.3.3.2
Procedure ............................................................................................................................... 11
4.3.3.3
Calculation .............................................................................................................................. 11
4.3.3.4
Reagents ............................................................................................................................... 12
4.3.4
Water equivalent..................................................................................................................... 12
4.3.4.1
Near infrared absorption method............................................................................................ 12
4.3.4.1.1
Preparation ............................................................................................................................. 12
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