ANSI/ASTM D5227-2001 聚烯烃正己烷可提取含量测试方法

标准号：ANSI/ASTM D5227-2001
中文标准名称：聚烯烃正己烷可提取含量测试方法
英文标准名称：Test Method for the Measurement of Hexane Extractable Content of Polyolefins (08.03)
标准类型：G31
发布日期：1999/12/31 12:00:00
实施日期：2001/6/10 12:00:00
中国标准分类号：G31
国际标准分类号：83.080.20
适用范围： This test method describes an extraction/gravimetric procedure for determination of the amount of hexane soluble low molecular weight material present in polyethylene, polypropylene, ethylene-propylene copolymers, and ethylene-vinyl acetate copolymers. This test method is a modification of the Food and Drug Administration (FDA) procedure for determining hexane extractables of polyolefins. This test method is based upon the presumption that the weight of the residue extract present in the solvent is equal to the amount extracted from the film sample and could therefore be quantified by measuring the weight loss of the extracted film, eliminating the complex and time-consuming evaporation process described in 21 CFR 177.1520. 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. The values stated in SI units are to be regarded as the standard. Units used in 21 CFR 177.1520 are aslo used in this test methhod. Units are in conformance with Federal Code 21 CFR 177.1520, from which this test method is derived. Note 1-There is no similar or equivalent ISO standard.