ASTM E 271-1998 分析含水氢氟酸的试验方法
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【英文标准名称】:TestMethodsforAnalysisofAqueousHydrofluoricAcid
【原文标准名称】:分析含水氢氟酸的试验方法
【标准号】:ASTME271-1998
【标准状态】:作废
【国别】:美国
【发布日期】:1998
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:酸;化合物;试验;分析;氢氟酸
【英文主题词】:chemicals;analysis;testing;hydrofluoricacid;acids
【摘要】:
【中国标准分类号】:G11
【国际标准分类号】:71_060_30
【页数】:
【正文语种】:英语
Product Code:SAE AS3481
Title:Nut, Self-Locking, Plate, Two Lug, Floating, Reduced Rivet Spacing, Low Height, UNS S66286, Class: 125 ksi/800 掳F
Issuing Committee:E-25 General Standards For Aerospace And Propulsion Systems
Scope:No scope available.【英文标准名称】:StandardTestMethodforLaboratoryDeterminationoftheFiberContentofPeatSamplesbyDryMass
【原文标准名称】:用干燥物质作泥炭样品纤维含量的试验室测定的标准试验方法
【标准号】:ASTMD1997-1991(2008)e1
【标准状态】:现行
【国别】:美国
【发布日期】:1991
【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】:D18.22
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:depositthickness;peat;probing;Fibercontent;Mass;Peatmaterials;Soil
【摘要】:Thepurposeofthistestmethodistostandardizetheprocedurefordeterminingfibercontentofpeatsamplesbydrymass.Astandardtestmethodfordeterminingthequantityoffibersinapeatsampleisnecessarynotonlyforclassifyingsamples(asinClassificationD4427),butisalsoasignificantparameterinpredictingordefiningthemanyendusesofpeat.Inthisregard,fibercontenthasbeenrelatedtoagriculturalandhorticulturalenduses(suchasmulching,soilenrichment,etc.),geotechnicalmeasurements(suchasstrength,compressibility,permeability,etc.),industrialchemicaluses(suchasproductionofwaxes,activatedcarbon,medicinals,etc.),andevenenergyuses(suchasdirectcombustion,methanolproduction,gasyields,etc.).1.1Thistestmethodcoversthelaboratorydeterminationofthefibercontentofsamplesofpeat(asdefinedinClassificationD4427)bydrymass.Italsomaybeusedfornon-peatorganicsoilmaterials.1.2Becausethistestmethodissimpleandrequiresnosophisticatedequipmenttoperform,itisespeciallyrecommendedforroutinereconnaissancework,wherelargenumbersofsamplesneedtobetestedandmineralcontentsarelow.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:D20
【国际标准分类号】:65_080
【页数】:2P.;A4
【正文语种】:英语