ASTM D 3717a-1985 用原子吸收分光光度法测定涂料中低浓度锑的标准试验方法
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来源:标准资料网
【英文标准名称】:StandardTestMethodforLowConcentrationsofAntimonyinPaintbyAtomicAbsorptionSpectroscopy
【原文标准名称】:用原子吸收分光光度法测定涂料中低浓度锑的标准试验方法
【标准号】:ASTMD3717a-1985
【标准状态】:现行
【国别】:美国
【发布日期】:1985
【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】:锑;涂料;覆层;涂漆;试验;颜色;含量测定
【英文主题词】:colour;painting;paints;testing;determinationofcontent;coatings;antimony
【摘要】:
【中国标准分类号】:G50
【国际标准分类号】:87_040
【页数】:3P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforDisinfectantQuaternaryAmmoniumSaltsbyPotentiometricTitration
【原文标准名称】:用滴定计滴定法测定氨基盐消毒要素的标准试验方法
【标准号】:ASTMD5806-1995(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:1995
【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】:D12.12
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:Activeingredients(indetergents);n-Alkyldimethylbenzylammoniumchloride;n-Alkyldimethylethylbenzylammoniumchloride;Ammoniumsalts;Detergentmaterials/systems--synthetic;Dialkyldimethylquaternaries;Disinfectants/disinfection;Potent
【摘要】:Thistestmethodisusedtodeterminethepercentactivesineachtypeofthedisinfectantquaternaryammoniumsalts,andalsointhedisinfectantproducts.Quaternaryammoniumcompoundsbeingtheactiveingredientsindisinfectant-typeproductsrequireaccuratedeterminationtoassessthecostandantimicrobialperformanceofsuchproducts.1.1Thistestmethodcoversapotentiometrictitrationprocedurefordeterminingactivematterindisinfectantquaternaryammoniumsalts.Thistestmethodisintendedfortheanalysisofquaternaryammoniumsaltsusedasdisinfectants,andonlyappliestothefollowingcommonlyusedquaternaryammoniumsalts:n-alkyldimethylbenzylammoniumchloride(seeFig.1),cetyltrimethylammoniumchloride,andablendofn-octyldecyldimethylammoniumchloride,di-n-octyldimethylammoniumchloride,anddi-n-decyldimethylammoniumchloride(seeFig.2).Also,thistestmethodcanbeappliedtotheanalysisofdisinfectanttypeproductswheretheformulaingredientsareknownandthequaternaryammoniumsaltisoneoftheabove.Interferencessuchasaminesoxidesandbetainespresentindisinfectantformulationswerenottested.1.2ThisdisinfectantquaternaryammoniumsaltconformstothestructuresinFig.1andFig.2.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecificprecautionaryinformation,seeSection8.
【中国标准分类号】:C05
【国际标准分类号】:71_100_35
【页数】:4P.;A4
【正文语种】:英语
Product Code:SAE AS81820/1
Title:Bearing, Plain, Self-Aligning, Self-Lubricating, Lined Bore, Low Speed, Narrow, Grooved Outer Ring, -65Md to 325Mdf
Issuing Committee:Acbg Plain Bearing Committee
Scope:No scope available.
