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Standard Practice for Preparation of Contaminated Test Coupons for the Evaluation of Cleaning Agents (Includes all amendments And changes 11/2/2015).
Automatische name übersetzung:
Standard Praxis zur Vorbereitung der Test-Coupons Kontaminierte für die Beurteilung von Reinigungsmitteln
NORM herausgegeben am 1.9.2004
Bezeichnung normen: ASTM G121-98(2010)e1
Anmerkung: UNGÜLTIG
Ausgabedatum normen: 1.9.2004
SKU: NS-57311
Zahl der Seiten: 4
Gewicht ca.: 12 g (0.03 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM
Keywords:
cleaning agents, contaminant, contamination, non-volatile residue, oxygen systems, standard test coupon, Cleaning agents/processes, Contamination--systems (materials/applications), Coupons, Double-sided test coupons, Metals and metallic materials, Nonvolatile residue (NVR), Oxygen-enriched systems/environments, Specimen preparation (for testing), Standard test coupon, Single-sided test coupons, ICS Number Code 71.100.40 (Surface active agents)
Significance and Use | ||||||||||||||||||
This practice will be suitable to direct the preparation of test coupons with a known amount of contaminant on the surface. A standard test coupon is described and a list of contaminants that have typically been found in oxygen-enriched systems and components is provided. These coupons shall be used in the evaluation of cleaning agents for oxygen-enriched systems and components. This will permit direct comparison within and between test facilities. Materials used in other fluid handling systems such as nitrogen, helium, hydrogen, gasoline, etc. may also be prepared for evaluation by this practice. |
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1. Scope | ||||||||||||||||||
1.1 This practice describes the procedure for the preparation of single- and double-sided contaminated metallic test coupons for the evaluation of cleaning agents. It is applicable for the evaluation of cleaning agents proposed for the cleaning of oxygen-enriched systems and components. It also is applicable to other systems where contamination is a concern. 1.2 Several classes of contaminants most likely to be found in oxygen-enriched systems and components are identified. However, if the user of this practice has identified contaminants not included in these classes, such identified contaminants may be substituted for the preparation of the test coupons. 1.3 Preparation of nonmetallic substrates is not addressed, although similar methodology may be used. Solvent and cleaning agent compatibility with the nonmetallic substrate should be verified prior to the preparation of the test coupons. Typical nonmetallic materials utilized in oxygen systems are contained in Guide G63. 1.4 This practice may involve hazardous materials, operations, and equipment. This practice does not purport to address all of the safety concerns associated with its use. It is the responsibility of whomever uses this practice to consult and establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. |
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2. Referenced Documents | ||||||||||||||||||
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