SAE AS9686 Bolt, Machine-Hexagon Head, Drilled, 1 Hole, Pd Shank, Steel Ams 6304, Diffused Nickel Cadmium Plate, .250-28
作者:标准资料网 时间:2024-05-15 18:36:15 浏览:9149
来源:标准资料网
Product Code:SAE AS9686
Title:Bolt, Machine-Hexagon Head, Drilled, 1 Hole, Pd Shank, Steel Ams 6304, Diffused Nickel Cadmium Plate, .250-28 Unjf-3a
Issuing Committee:E-25 General Standards For Aerospace And Propulsion Systems
Scope:No scope available.
【英文标准名称】:StandardTestMethodforAnalysisofTanneryLiquors
【原文标准名称】:鞣皮厂液剂分析的标准试验方法
【标准号】:ASTMD6408-1999(2004)
【标准状态】:现行
【国别】:
【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】:鞣皮厂液剂;鞣皮液体;单宁分析;植物单宁分析;单宁;酸度
【英文主题词】:acidity;tanneryliquor;tanningliquor;tannins;tanninanalysis;vegetabletanninanalysis
【摘要】:Thistestmethodisusedtodeterminethechemicalpropertiesoftanneryliquorswhicharerelevantforthevegetabletanningprocessandinfluencetheastringencyofvegetabletanningliquors.Theastringencyofliquorsisdependentuponthesolidsandtannincontentandtheacidity.Thismethodprovidesastandardprocedurefordeterminingthesepropertiesforanysampleofvegetabletanningliquor.Thespecimensarealiquotsfromtheanalyticalsolutionpreparedfromthesampleoftanneryliquorcollectedforthispurpose.Thetotalsolids,solublesolids,andnon-tanninscontentaredeterminedandthenthetannincontentoftheliquorsampleiscalculated.BecausetheamountoftanninperliterofanalyticalsolutionislessthanthatrequiredforTestMethodD6401,atablespecifyingthequantityofpreparedhidepowdertobeusedforsolutionswithlowertanninconcentrationsisincludedinthistestmethod.ThetotalacidityoftheliquorsampleisdeterminedbyoneoftwotitrametricproceduresdescribedinTestMethodD6410.Theresultsofthistestmethodaredependentonagreatmanyvariablesbutparticularlyupon:thetemperatureconditionsunderwhichthesolutionswerepreparedandstoredandthetemperatureatwhichthecurrentanalysisisperformed;theuniformityandconsistencyoftheKaolinpastelayerdepositedontothefilterpaper;therateofsolutionrun-outfromthepipette;conditionsrelatedtothepropertiesofthehidepowderusedtoreactwiththetannincontentofthesolution;etc.Itis,therefore,essentialthatthemethodbefollowedexactlyinordertoobtainreproducibleresultsbothamongspecimenswithinalaboratoryandforanalysesbetweenlaboratories.1.1Thistestmethodcoverstheanalysisoftanneryliquorsmadeupfromvegetabletanningmaterials.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z23
【国际标准分类号】:59_140_10(PROCESSESANDAUXILIARYMATERIALS)
【页数】:3P.;A4
【正文语种】:
【英文标准名称】:Generalrulesforgraphicalsymbols
【原文标准名称】:图形符号的通用规则
【标准号】:JISZ8250-1985
【标准状态】:作废
【国别】:日本
【发布日期】:1985-03-01
【实施或试行日期】:
【发布单位】:日本工业标准调查会(JISC)
【起草单位】:TechnicalCommitteeonBasicEngineering
【标准类型】:()
【标准水平】:()
【中文主题词】:图形表示;图形符号;图解表示法;工程图;技术制图
【英文主题词】:graphicsymbols;graphicrepresentation;engineeringdrawings;technicaldrawing
【摘要】:
【中国标准分类号】:A22
【国际标准分类号】:01_080_01
【页数】:12P;A4
【正文语种】:日语
