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JB/T 8269-1995 静电复印机抽样检查方法

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基本信息
标准名称:静电复印机抽样检查方法
中标分类: 仪器、仪表 >> 电影、照相、缩微、复印设备 >> 缩微复印机械
替代情况:原标准号GB 10997-89;被GB/T 10992.1-99代替 被GB/T 10992.2-99代替
发布日期:
实施日期:2000-01-01
首发日期:
作废日期:1999-10-01
出版日期:
页数:7页
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所属分类: 仪器 仪表 电影 照相 缩微 复印设备 缩微复印机械
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【英文标准名称】:StandardTestMethodforDeterminingMoistureinRawandSpentMaterials
【原文标准名称】:原材料和用过的材料中测定潮气的标准试验方法
【标准号】:ASTMD6403-1999(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:1999
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D31.01
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:moisture;tanninanalysis;vegetabletanninanalysis;volatilematter;Leather;Moistureanalysis--leather;Raw/spentleathermaterials;Spentmaterials;Tanninganalysis/materials;Vegetable-tannedleather
【摘要】:Thistestmethodisusedtodeterminethemoisturecontentofmaterials(raworspent)thataretobeextractedfortanninanalysis.Thevalueobtainedformoisturecontentbythistestmethodisusedtocalculatetheresultsoftheotheranalysesonthismaterialtoamoisture-freebasis.ThespecimensareobtainedfromthematerialpreparedforextractioninPracticeD6405.Tanningmaterialscontainmoistureinvaryingamounts,dependingbothonthenatureofthematerialandontheclimaticconditions,thereforesamplingmustbecarriedoutasquicklyasisconsistentwiththoroughnessinordertoavoidchangesinmoisturecontent.Negativeerrorsmayoccurinthemoisturedeterminationbecauseundertheconditionsofthismethodtheremayberetentionofmoisturebycertaincomponents(forexample,hydratedsaltsorwaterboundtoorganicstructures)oftheraworspentmaterialorbecauseofoxidationofothercomponents(forexample,tannins)oftheraworspentmaterial.Positiveerrorsmayoccurinthemoisturedeterminationbecauseundertheconditionsofthistestmethodtheremaybevolatilizationofcertaincomponentsoftheraworspentmaterialotherthanwater.Itisknownthatotherfactorscanalsoaffectthequantityofvolatilematter(moisture)releasedbythespecimen.Thesefactorsincludebutarenotlimitedto:particlesizeofthetestspecimen,quantityoftestspecimen,oventemperature,exposuretimeintheoven,shapeofthespecimencontainer,andtypeofoven(forexample,gravityormechanicalconvection)used.Becauseofthepossibilityofunknownerrorsinthistestmethoditisessentialthatthemethodbefollowedexactlyinordertoobtainreproducibleresultsbothamongspecimenswithinalaboratoryandforanalysesbetweenlaboratories.1.1Thistestmethodisintendedforuseindeterminingthemoisturecontentinrawandspentmaterialsthatareextractedfortanninanalysis.Themoisturecontentofthesampleisoperationallydefinedtobeequaltotheweightlossexperiencedasaresultoftheevaporationwhichoccursinthedryingoven.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:B72
【国际标准分类号】:59_140_10
【页数】:3P.;A4
【正文语种】:英语


【英文标准名称】:Oilseedresidues-Determinationofglucosinolatescontent-Part1:Methodusinghigh-performanceliquidchromatography
【原文标准名称】:油料饼粕芥子甙含量的测定第1部分:高效液相色谱法
【标准号】:ISO10633-1-1995
【标准状态】:现行
【国别】:国际
【发布日期】:1995-11
【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/TC34
【标准类型】:()
【标准水平】:()
【中文主题词】:残留物;高效液相色谱法;葡萄糖异硫氰酸盐;含油种子;食品;化学分析和试验;含量测定
【英文主题词】:Chemicalanalysisandtesting;Determinationofcontent;Foodproducts;Glucosinolate;Highperformanceliquidchromatography;Oilseeds;Residues
【摘要】:Specifiesamethodforthedeterminationofthecontentofthedifferentglucosinolatesincruciferoilseeds.Doesnotallowtodetermineglucosinolateswhicharesubstitutedontheglucosemolekule.
【中国标准分类号】:B33
【国际标准分类号】:67_200_20
【页数】:9P.;A4
【正文语种】:英语