ANSI/ASTM D6342-1998 聚氨酯生胶材料惯例:用近远红外光谱测量仪测定聚合物溶胶的羟基值

作者:标准资料网 时间:2024-05-15 17:48:52  浏览:8006   来源:标准资料网

【英文标准名称】:PracticeforPolyurethaneRawMaterials:DeterminingHydroxylNumberofPolyolsbyNearInfrared(NIR)Spectroscopy
【原文标准名称】:聚氨酯生胶材料惯例:用近远红外光谱测量仪测定聚合物溶胶的羟基值
【标准号】:ANSI/ASTMD6342-1998
【标准状态】:现行
【国别】:美国
【发布日期】:1998
【实施或试行日期】:1999-02-10
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:光谱学;羟基值;聚氨酯
【英文主题词】:hydroxylvalue;polyurethane;spectroscopy
【摘要】:ThisstandardcoversapracticeforthedeterminationofhydroxylnumbersofpolyolsusingNIRspectroscopy.Definitions,terms,andcalibrationtechniquesaredescribed.Proceduresforselectingsamples,andcollectingandtreatingdatafordevelopingNIRcalibrationsareoutlined.Criteriaforbuilding,evaluating,andvalidatingtheNIRcalibrationmodelarealsodescribed.Finally,theprocedureforsamplehandling,datagatheringandevaluationaredescribed.TheimplementationofthisstandardrequiresthattheNIRspectrometerhasbeeninstalledincompliancewiththemanufacturer'sspecifications.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Note1-ThereisnoequivalentorsimilarISOstandard.
【中国标准分类号】:G31
【国际标准分类号】:83_040_10
【页数】:
【正文语种】:英语