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Standard Test Method for Nonvolatile Residue of Solvent Extract from Aerospace Components (Using Flash Evaporator)
1.1 This test method covers the determination of nonvolatile matter, that is, residue on evaporation, in solvent extract from aerospace components, using a rotary flash evaporator.
1.2 The procedure for extraction from components is described in practices such as PracticesF303 and Practice F305. In cases where analysis of particulate contamination is also required, prior to subjecting the extract to the following method, it should be processed in accordance with Practice F311 (Note 1). Particle count analysis should then be performed in accordance with Method F312. Identification of particulate material, if required, may be performed by Test Method F314.
Note 1--Membrane filters with a maximum extractable content of 0.5 weight% should be used on samples to be processed by this test method. Conventional membranes contain 5 to 10% extractables. For obtaining very low background levels, consideration should be given to using membranes without grid marks.
1.3 This standard does not purport to address all of the safety problems, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
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