MIL-STD-1330 Precision Cleaning And Testing Of Shipboard Oxygen, Helium, Helium-Oxygen, Nitrogen, And Hydrogen SystemsThis standard provides the requirements for precision cleaning and testing of oxygen or oxygen-enriched systems and components; oxygen generating plants including nitrogen, hydrogen, and demineralized water support systems and components; and helium, helium-oxygen, and hydrogen life support systems and components. Each activity will implement the applicable requirements of this document through a locally prepared and approved procedure. Activities subject to additional quality assurance requirements such as NAVSEA SS800-AG-MAN-010/P-9290 or NAVSEA SS521-AA-MAN-010 will obtain procedure approval from the applicable certifying activity.

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MIL-STD-1330D(SH) APPENDIX C

w/ Change 1

NOTE 1:  CFC-113 or HCFC-225 can be used for post NVR analysis.  Only CFC-113 solvent can be used for post analysis by infrared spectrophotometry.

C.9.3  Transfer 100 mL or 500 mL of homogenized sample to the separatory funnel.

C.9.4  Transfer 160 mL of CFC-113 or HCFC-225, or 30 mL of CFC-113 to the separatory funnel.  Cap and vigorously agitate for 30 seconds.  Allow to stand until contents settle and bubbles disappear.  Remove the cap carefully to release any pressure build-up.  Drain solvent from separatory funnel and transfer to volumetric flask. Repeat two additional times.

C.9.5  Add fresh solvent to the volumetric flask and dilute solvent extract to 500 mL if serially extracted with

160 mL volumes or to 100 mL if serially extracted with 30 mL volumes.  Shake to completely mix the solvent extract.  Remove the cap carefully to release any pressure build-up.

C.9.6  Perform an NVR analysis of the 500 mL solvent extract as specified in 5.13.2.5, or perform a hydrocarbon oil and grease analysis of the 100 mL solvent extract as specified in 5.13.2.8.

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