SAE AMS5377 Nickel Alloy, Corrosion and Heat Resistant, Investment Castings 73ni 12cr 4.5mo 2.0cb 0.70ti 0.05c 6.0al 0.0

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Product Code:SAE AMS5377
Title:Nickel Alloy, Corrosion and Heat Resistant, Investment Castings 73ni 12cr 4.5mo 2.0cb 0.70ti 0.05c 6.0al 0.010b 0.10zr, Vacuum Cast, as Cast
Issuing Committee:Ams F Corrosion Heat Resistant Alloys Committee
Scope:This specification covers a corrosion and heat-resistant nickel alloy in the form of investment castings.
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【英文标准名称】:Airconditioners;testsforheatingoperationoftherefrigeratingsystem/heatpump
【原文标准名称】:空调器.第4部分:制冷系统/热力泵的热起动试验
【标准号】:DIN8957-4-1975
【标准状态】:作废
【国别】:德国
【发布日期】:1975-10
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:空调设备;室内气候;气候;空调器;热泵;热量计;温度致适
【英文主题词】:Airconditioners;Calorimeters;Climate;Heatpumps;Thermalcomfort
【摘要】:Airconditioners;testsforheatingoperationoftherefrigeratingsystem/heatpump
【中国标准分类号】:Q76
【国际标准分类号】:91_140_30
【页数】:3P.;A4
【正文语种】:德语


【英文标准名称】:StandardTestMethodsforCopperinWater
【原文标准名称】:水中铜的标准试验方法
【标准号】:ASTMD1688-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:铜;测试;水
【英文主题词】:atomicabsorption;chelation;copper;flame;graphitefurnace;water
【摘要】:Copperisfoundinnaturallyoccurringmineralsprincipallyasasulfide,oxide,orcarbonate.Itmakesupapproximately0.01%oftheearthrsquo;crustandisobtainedcommerciallyfromsuchoresaschalcopyrite(CuFeS2).Copperisalsofoundinbiologicalcomplexessuchashemocyanin.Copperenterswatersuppliesthroughthenaturalprocessofdissolutionofminerals,throughindustrialeffluents,throughitsuse,ascoppersulfate,tocontrolbiologicalgrowthinsomereservoirsanddistributionsystems,andthroughcorrosionofcopperalloywaterpipes.Industrieswhosewastewatersmaycontainsignificantconcentrationsofcopperincludemining,ammunitionproduction,andmostmetalplatingandfinishingoperations.Itmayoccurinsimpleionicformorinoneofmanycomplexeswithsuchgroupsascyanide,chloride,ammonia,ororganicligands.Althoughitssalts,particularlycoppersulfate,inhibitbiologicalgrowthsuchassomealgaeandbacteria,copperisconsideredessentialtohumannutritionandisnotconsideredatoxicchemicalatconcentrationsnormallyfoundinwatersupplies.1.1Thesetestmethodscoverthedeterminationofcopperinwaterbyatomicabsorptionspectrophotometry.Threetestmethodsareincludedasfollows:TestMethodConcentrationRangeSectionsA-AtomicAbsorption,Direct0.05to5mg/LB-AtomicAbsorption,Chelation-Extraction50to500g/LC-AtomicAbsorption,GraphiteFurnace5to100g/L