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Standard Test Method for Determination of Moisture Contribution by Gas Distribution System Components
Automaticky preložený názov:
Štandardná skúšobná metóda na stanovenie vlhkosti Príspevok plynovú distribučný systém komponenty
NORMA vydaná dňa 10.6.1999
Označenie normy: ASTM F1397-93(1999)
Poznámka: NEPLATNÁ
Dátum vydania normy: 10.6.1999
Kód tovaru: NS-50148
Počet strán: 10
Približná hmotnosť: 30 g (0.07 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
Keywords:
Argon, Flow and flow rate-semiconductor applications, Gas distribution systems, Moisture analysis, Nitrogen, Response time, Semiconductor clean rooms, Spool piece, Stainless steel-gas distribution systems, moisture contribution by gas distribution system components, using, stainless steel spool piece at elevated ambient temperatures [<,=]50°C, test, ICS Number Code 23.040.01 (Pipeline components in general. Pipelines)
1. Scope |
1.1 This test method covers testing components for total moisture contribution to a gas distribution system at ambient temperature. In addition, the test method allows testing at elevated ambient temperatures as high as 70°C and of the component moisture capacity and recovery. 1.2 This test method applies to in-line components containing electronics grade materials such as those used in semiconductor gas distribution systems. 1.3 Limitations: 1.3.1 This test method is limited by the sensitivity of current instrumentation, as well as by the response time of the instrumentation. This test method is not intended to be used for test components larger than 12.7-mm ( 1/2-in.) outside diameter nominal size. This test method could be applied to larger components; however, the stated volumetric flow rate may not provide adequate mixing to ensure a representative sample. Higher flow rates may improve the mixing but excessively dilute the sample. 1.3.2 This test method is written with the assumption that the operator understands the use of the apparatus at a level equivalent to six months of experience. 1.4 The values stated in SI units are to be regarded as the standard. The inch-pound units given in parentheses are for information only. 1.5 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. Specific hazard statements are given in Section 5. |
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