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Standard Test Method for Determination of Water in Petroleum Products, Lubricating Oils, and Additives by Coulometric Karl Fischer Titration (Withdrawn 2016)
Automatische name übersetzung:
Standard Test Methode zur Bestimmung von Wasser in Erdölprodukte, Schmieröle und Additive durch coulometrische Karl-Fischer-Titration
NORM herausgegeben am 15.7.2007
Bezeichnung normen: ASTM D6304-07
Anmerkung: UNGÜLTIG
Ausgabedatum normen: 15.7.2007
SKU: NS-34606
Zahl der Seiten: 6
Gewicht ca.: 18 g (0.04 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM
Physicochemical methods of analysisPetroleum products in generalLubricants, industrial oils and related products
Keywords:
coulometric titration, Karl Fischer titration, water, ICS Number Code 71.040.50 (Physicochemical methods of analysis), 75.080 (Petroleum products in general), 75.100 (Lubricants, industrial oils and related products)
Significance and Use | ||||||||||||||
A knowledge of the water content of lubricating oils, additives, and similar products is important in the manufacturing, purchase, sale, or transfer of such petroleum products to help in predicting their quality and performance characteristics. For lubricating oils, the presence of moisture could lead to premature corrosion and wear, an increase in the debris load resulting in diminished lubrication and premature plugging of filters, an impedance in the effect of additives, and undesirable support of deleterious bacterial growth. |
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1. Scope | ||||||||||||||
1.1 This test method covers the direct determination of water in the range of 10 to 25 000 mg/kg entrained water in petroleum products and hydrocarbons using automated instrumentation. This test method also covers the indirect analysis of water thermally removed from samples and swept with dry inert gas into the Karl Fischer titration cell. Mercaptan, sulfide (S or H2S), sulfur, and other compounds are known to interfere with this test method (see Section 5). 1.2 This test method is intended for use with commercially available coulometric Karl Fischer reagents and for the determination of water in additives, lube oils, base oils, automatic transmission fluids, hydrocarbon solvents, and other petroleum products. By proper choice of the sample size, this test method may be used for the determination of water from mg/kg to percent level concentrations. 1.3 The values stated in SI units are to be regarded as standard. No other units of measurements are included in this standard. This standard does not purport to address all of the safety concerns, 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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2. Referenced Documents | ||||||||||||||
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Historisch
10.3.2003
Historisch
1.6.2014
Historisch
1.8.2012
Historisch
1.1.2014
Historisch
1.10.2010
Historisch
1.5.2011
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