【英文标准名称】:StandardTestMethodforTotalAshinWetBlue
【原文标准名称】:湿蓝皮中总灰分的标准试验方法
【标准号】:ASTMD6716-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:D31.02
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:aluminumoxide;ash;bluestock;chromecontent;chromicoxide;totalash;wetblue;wetwhite;Aluminumoxide(Al2O3);Ash--leather;Bluestock(leather);Chromicoxide;Nonvolatileorganiccompounds;Totalash;Wetblue
【摘要】:Thistestmethodisusefulindeterminingtheapproximateamountofnonvolatileinorganicmaterialinwetblue.Thismaybeintheformofsaltsoroxidesoftheelements.Inamixed-chrometannage,theapproximatepercentageofotherelementsinthewetbluemaybedeterminedbysubtractingthechromicoxidethatmaybeconvenientlydeterminedontheash.(SeeTestMethodD6714.)Thespecifiedtemperatureof600x00B0;Cishighenoughtoproduceareproducibleresultbutitdoesnotcompletelydehydratesuchoxidesasaluminumoxide(Al2O3)andchromicoxide(Cr2O3).Likewise,suchsaltsassulfatesandphosphatesmaybeincompletelydehydrated,andifalkalisandchromiumarepresentsimultaneously,oxidationtochromatemayoccur.Therefore,cautionisadvisedindrawingconclusionsbasedonquantitativerelationsoftheelements.1.1Thistestmethodcoversthedeterminationoftotalashinwetblueandwetwhite.1.2Fortotalashinwetwhite,theprocedureisidentical;substitutewetwhiteforwetblueinthestandard.1.3Totalashinwetbluemaybereporteduponanumberofdifferentbases(forexample,fat-free,moisture-free,asreceived,excludingchromium,andsoforth).Beforeproceedingwithanytests,itisveryimportanttodetermineuponwhichbasisthatthetotalashistobereportedandtoidentifyallothertestmethodsthatwillberequiredtobeexecutedinordertoachievethedeterminedreportingmethod.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Y45
【国际标准分类号】:17_060
【页数】:2P.;A4
【正文语种】:英语


【英文标准名称】:Elementsofelectricalandopticalconnection-Testmethods-Voltageprooftest
【原文标准名称】:电气和光学连接元器件.试验方法.第207部分:电压防护试验
【标准号】:BSEN2591-207-1996
【标准状态】:现行
【国别】:英国
【发布日期】:1996-06-15
【实施或试行日期】:1996-06-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:试样制备;电气试验;飞行器部件;电连接器;电连接;航空运输工程;电气元件;维纤光学连接器;电压测量;介电强度试验;电压;试验条件;光纤维;击穿电压
【英文主题词】:
【摘要】:TobereadinconjunctionwithBSEN2591:1992
【中国标准分类号】:V25
【国际标准分类号】:49_060
【页数】:10P;A4
【正文语种】:英语