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Standard Test Methods for Polyurethane Raw Materials: Determination of Water Content of Polyols (Includes all amendments And changes 8/27/2012).
Automatische name übersetzung:
Standard-Prüfverfahren für Polyurethan-Rohstoffe : Bestimmung der Wassergehalt des Polyols
NORM herausgegeben am 15.3.2006
Bezeichnung normen: ASTM D4672-00(2006)e1
Anmerkung: UNGÜLTIG
Ausgabedatum normen: 15.3.2006
SKU: NS-28098
Zahl der Seiten: 4
Gewicht ca.: 12 g (0.03 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM
Keywords:
Karl Fischer, polyols, polyurethane, raw materials, water content, ICS Number Code 83.040.30 (Auxiliary materials and additives for plastics)
| Significance and Use | ||||||
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These test methods are suitable for quality control, as a specification test, and for research. The water content of a polyol is important since isocyanates react with water. TEST METHOD A: MANUAL PROCEDURETop
Note 2—Commercially available automated Karl Fischer titrators are used extensively. The description of the manual systems presented below is for reference purposes and has been included in order to better define the principles of the Karl Fischer measurement. |
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| 1. Scope | ||||||
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1.1 These test methods measure water content of polyols and many other organic compounds. 1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only. 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. These test methods are equivalent to ISO 14897. |
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| 2. Referenced Documents | ||||||
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