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Significance and Use
This test method is useful for determining low levels of acidity, below 500 μg/g in acrylonitrile. The total acidity is calculated as acetic acid.
Acidity may be present as a result of contamination or decomposition during storage, distribution, or manufacture.
1.1 This test method covers the determination of total acidity as acetic acid in concentrations below 500 μg/g in acrylonitrile.
1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.3 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. Specific hazard statements are given in Section 8.
1.4 Review the current Material Safety Data Sheets (MSDS) for detailed information concerning toxicity, first aid procedures, and safety precautions.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D1193 Specification for Reagent Water
E200 Practice for Preparation, Standardization, and Storage of Standard and Reagent Solutions for Chemical Analysis
ICS Number Code 71.040.50 (Physicochemical methods of analysis); 71.080.30 (Organic nitrogen compounds)
UNSPSC Code 12352100(Organic derivatives and substituted compounds)
ASTM E1788-08, Standard Test Method for Acidity in Acrylonitrile, ASTM International, West Conshohocken, PA, 2008, www.astm.orgBack to Top