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【英文标准名称】:StandardTestMethodforDeterminationofCalcium,Magnesium,Potassium,andSodiuminAtmosphericWetDepositionbyFlameAtomicAbsorptionSpectrophotometry
【原文标准名称】:用火焰原子吸收分光光度法测定大气作用下湿沉积物中钙,镁,钾和钠含量的标准试验方法
【标准号】:ASTMD5086-2001(2008)
【标准状态】:现行
【国别】:美国
【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】:D22.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:atmosphericwetdeposition;atomicabsorption;calcium;magnesium;potassium;precipitation;sodium;Atmosphericwetdeposition(AWD);Beer'slaw;Calciumcontent--atmosphericanalysis;Contamination--atmospheric;FAAS(flameatomicabsorptions
【摘要】:Thistestmethodmaybeusedforthedeterminationofcalcium,magnesium,potassium,andsodiuminatmosphericwetdepositionsamples.Emphasisisplacedontheeasilycontaminatedqualityofatmosphericwetdepositionsamplesduetothelowconcentrationlevelsofdissolvedmetalscommonlypresent.AnnexA1representscumulativefrequencypercentileconcentrationplotsofcalcium,magnesium,potassium,andsodiumobtainedfromanalysesofoverfivethousandwetdepositionsamples.Thesedatamaybeusedasanaidintheselectionofappropriatecalibrationstandardconcentrations.(3)1.1Thistestmethodisapplicabletothedeterminationofcalcium,magnesium,potassium,andsodiuminatmosphericwetdeposition(rain,snow,sleet,andhail)byflameatomicabsorptionspectrophotometry(FAAS).(1)1.2Theconcentrationrangesarelistedbelow.Therangetestedwasconfirmedusingtheinterlaboratorycollaborativetest(seeTable1forastatisticalsummaryofthecollaborativetest).
MDL(mg/L)(2)
RangeofMethod(mg/L)
RangeTested(mg/L)

Calcium
0.009
0.03x2013;3.00
0.168x2013;2.939
Magnesium
0.003
0.01x2013;1.00
0.039x2013;0.682
Potassium
0.003
0.01x2013;1.00
0.029x2013;0.499
Sodium
0.003
0.01x2013;2.00
0.105x2013;1.84
Product Code:SAE ARP4014
Title:Aircraft Turbine Engine Pneumatic Component Contaminated Air Endurance Test
Issuing Committee:Ae-5b Engine Related Components Airframe-Mounted Pumps
Scope: This recommended practice describes a method of conducting an endurance test using contaminated air when the applicable specification requires non-recirculation of the contaminants. The objective of the test is to determine the resistance of the engine mounted components to wear or damage caused by the contaminated air. The method described herein calls for non-recirculation of the contaminants and is intended to provide a uniform distribution of the contaminant at the inlet to the Unit Under Test (UUT). The UUT may require the use of a hydraulic fluid for actuation of components within the test unit. Contamination of this test fluid is not part of this recommended practice, however, if required by applicable test specification refer to MAP 749A.
Rationale: This recommended practice describes a method of conducting an endurance test using contaminated air when the applicable specification requires non-recirculation of the contaminants. The objective of the test is to determine the resistance of the engine mounted components to wear or damage caused by the contaminated air. The method described herein calls for non-recirculation of the contaminants and is intended to provide a uniform distribution of the contaminant at the inlet to the Unit Under Test (UUT). The UUT may require the use of a hydraulic fluid for actuation of components within the test unit. Contamination of this test fluid is not part of this recommended practice, however, if required by applicable test specification refer to MAP 749A.