ASTM D6739-2001(2006) 矽土pH值的标准试验方法

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【英文标准名称】:StandardTestMethodforSilica-pHValue
【原文标准名称】:矽土pH值的标准试验方法
【标准号】:ASTMD6739-2001(2006)
【标准状态】:现行
【国别】:
【发布日期】:2001
【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】:D11.20
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:pH;silica
【摘要】:ThepHlevelofsilica,asmeasuredbythistestmethod,isknowntoaffectthevulcanizationofsomerubbercompounds.RefertoTestMethodE70forafullerunderstandingofpHandamoredetailedprocedureformakingpHmeasurements.1.1ThistestmethodisusedtomeasurethepHofa5%silica/watersuspensionormechanicaldispersionandisindicativeoftherelativeacidityoralkalinityofthesilica.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G04
【国际标准分类号】:71_100_55
【页数】:2P.;A4
【正文语种】:


MIL-STD-2500C, DEPARTMENT OF DEFENSE INTERFACE STANDARD: NATIONAL IMAGERY TRANSMISSION FORMAT (VERSION 2.1) FOR THE NATIONAL IMAGERY TRANSMISSION FORMAT STANDARD (NIFTS) (16 FEB 2011)., MIL-STD-2500C, dated 01 May 2006, has been reviewed anddetermined to be valid for use in acquisition.Product Code:SAE AS7479
Title:Bolts and Screws, Steel, UNS S66286 1650 掳F Solution Heat Treated Precipitation Heat Treated Before Roll Threaded
Issuing Committee:E-25 General Standards For Aerospace And Propulsion Systems
Scope:This specification covers bolts and screws made from a corrosion and heat resistant age hardenable iron base alloy of the type identified under the Unified Numbering System as UNS S66286, and of 130 000 psi tensile strength at room temperature, with maximum test temperature of parts at 1200 degrees F.