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SAE AMS3901/11 Yarn, Organic Fiber (Para-Aramid), High Modulus, 1420 (1580 d tex) Denier, 1.2% Finish

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Product Code:SAE AMS3901/11
Title:Yarn, Organic Fiber (Para-Aramid), High Modulus, 1420 (1580 d tex) Denier, 1.2% Finish
Issuing Committee:Ams P17 Composite Materials Committee
Scope:This specification covers one type of organic fiber in the form of yarn. The product shall be formed as a multiplicity of filaments drawn together and gathered into an approximately parallel arrangement.
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【英文标准名称】:StandardTestMethodforSulfideIoninWater
【原文标准名称】:水中硫离子的标准试验方法
【标准号】:ASTMD4658-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:D19.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:electrode;potentiometric;sulfide;water,Inorganiccompounds--water;Ionselectiveelectrodemethod;Sulfidecontent
【摘要】:Sulfideionisfoundingroundwatersandwastewater,causingodorandcorrosionproblems.Ifacidified,thesewaterscanreleasehydrogensulfide,whichisextremelytoxicevenatlowlevels.Thistestmethodprovidesameansforinterference-freemeasurementoffreesulfideion.Note18212;Sulfideformscomplexeswithhydrogenions(HS1x2212;andH2S).Inaddition,sulfideionformssolublecomplexeswithelementalsulfur(S22x2212;,S32x2212;,S42x2212;,etc.),tin,antimony,andarsenicions.1.1Thistestmethodusesanion-selectiveelectrodetodeterminesulfideioninwater.Thetestmethodisapplicableintherangefrom0.04to4000mg/Lofsulfide.1.2Precisiondatapresentedinthistestmethodwereobtainedusingreagentwateronly.Itistheuser''sresponsibilitytoensurethevalidityofthistestmethodforuntestedtypesofwater.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Sulfidesamples,whenacidified,canreleasehighlytoxichydrogensulfidegas.Foraspecificprecautionarystatement,seeNote2.
【中国标准分类号】:Z16
【国际标准分类号】:13_060_50
【页数】:5P.;A4
【正文语种】:英语


【英文标准名称】:Cathodicprotection-Competencelevelsandcertificationofcathodicprotectionpersonnel;EnglishversionofDINEN15257:2007-03
【原文标准名称】:阴极防护.阴极防护人员的技术水平和资格证书
【标准号】:EN15257-2006
【标准状态】:现行
【国别】:
【发布日期】:2007-03
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:验收试验;认可试验;阴极保护;认证;认证机构;防腐蚀;定义;培训;装置;安装;材料试验;人员;计划;合格;质量保证;规范(验收);调查
【英文主题词】:Acceptancetests;Approvaltests;Cathodicprotection;Certification;Certificationbodies;Corrosionprotection;Definition;Definitions;Furthereducation;Installations;Materialstesting;Personnel;Planning;Qualifications;Qualityassurance;Specification(approval);Surveys
【摘要】:
【中国标准分类号】:A29;A18
【国际标准分类号】:77_060
【页数】:29P.;A4
【正文语种】:英语