【英文标准名称】:Pulps-Estimationofdirtandshives-Part2:Inspectionofmillsheetedpulpbytransmittedlight
【原文标准名称】:纸浆.污物和碎片测定.第2部分:用传输光检测磨碎片状纸浆
【标准号】:ISO5350-2-2006
【标准状态】:现行
【国别】:国际
【发布日期】:2006-08
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC6
【标准类型】:()
【标准水平】:()
【中文主题词】:拱形;定义;测定;含量测定;污垢;估计;评定;纤维;杂质;材料试验;方法;纸浆;抽样方法;碎片;试验;试验装置;传输光
【英文主题词】:Arched;Definitions;Determination;Determinationofcontent;Dirt;Estimation;Evaluations;Fibres;Impurities;Materialstesting;Methods;Paperpulp;Pulp;Samplingmethods;Splinters;Testing;Testingdevices;Transmittedlights
【摘要】:ThispartofISO5350specifiesamethodfortneestimationbytransmittedlightofthevisibledirtandshivesinpulpmanufacturedinsheets.Itdoesnotapplytounbleachedkraftpulpsortoanyothersheetedpulpsthataretooopaquetoallowfortheestimationoftheminimumsizeorforminimumcontrastspeckstobecounted,inaccordancewiththispartofISO5350.Themaximumgrammageformostpulpsheetsisintherange800g/m2to1000g/m2.Ifthesheetsofthemillsheetedpulphavehighgrammageorareveryopaqueforotherreasons,ISO5350-1shouldbeapplied.NOTEForthicksheets,withhighlytexturedsurfacesand/orwithdensityvariations,wettingthesheetwillcauseopticalvariations,calledlensdistortions,thatwilldistorttheperceivedsizeofadirtspeck,thusreducingtheprecisionofthesizeestimation.Alternatively,useISO5350-1todisintegratethesheetandtopreparelaboratorysheetsforthesizeestimation.ThispartofISO5350isnotintendedforrecycledpulp.
【中国标准分类号】:Y30
【国际标准分类号】:85_040
【页数】:11P;A4
【正文语种】:英语