DD CEN/TS 15621-2007 动物饲料.压力溶解后钙、钠、磷、镁、钾、硫、铁、锌、铜、锰、钴和钼元素的测定
时间:2024-05-10 00:22:57 来源: 标准资料网 作者：标准资料网 阅读：8752
【英文标准名称】:Animalfeedingstuffs—Determinationofcalcium,sodium,phosphorus,magnesium,potassium,sulphur,iron,zinc,copper,manganese,cobaltandmolybdenumafterpressuredigestionbyICP-AES
【原文标准名称】:动物饲料.压力溶解后钙、钠、磷、镁、钾、硫、铁、锌、铜、锰、钴和钼元素的测定
【标准号】:DDCEN/TS15621-2007
【标准状态】:现行
【国别】:英国
【发布日期】:2007-08-31
【实施或试行日期】:
【发布单位】:英国标准学会(BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:ThisTechnicalSpecificationspecifiesamethodforthedeterminationofthemineralscalcium,sodium,phosphorus,magnesium,potassiumandsulphurandtheelementsiron,zinc,copper,manganese,cobalt,molybdenuminanimalfeedingstuffsbyinductivelycoupledplasmaatomicemissionspectrometry(ICP-AES)afterpressuredigestion.Themethodlimitofquantificationforeachelementisdependentonthesamplematrixaswellasoftheinstrument.Themethodisnotapplicablefordeterminationoflowconcentrationsofelements.Alimitofquantificationof1mg/kgshouldnormallybeobtained.
【中国标准分类号】:B46
【国际标准分类号】:65_120
【页数】:26P.;A4
【正文语种】:英语
【英文标准名称】:StandardSpecificationforVegetablePeelingMachines,Electric
【原文标准名称】:电动蔬菜剥皮机标准规范
【标准号】:ASTMF1371-2004
【标准状态】:现行
【国别】:
【发布日期】:2004
【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】:F26.04
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:蔬菜;炊事机具
【英文主题词】:abrasivecompound;cylinder;disk;peeltrap;siliconecrabide;vegetablepeeler
【摘要】:1.1Thisspecificationcoversbatch-typevegetablepeelingmachines.1.2Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thefollowingsafetyhazardscaveatpertainsonlytothetestmethodsportion,Section9,ofthisspecification:Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Y68
【国际标准分类号】:97_040_50
【页数】:5P.;A4
【正文语种】:
【英文标准名称】:StandardTestMethodforX-RayEmissionSpectrometricAnalysisofLow-AlloySteels
【原文标准名称】:金属的X射线辐射光谱测定分析试验方法
【标准号】:ASTME1085-1995(2004)
【标准状态】:现行
【国别】:
【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】:E01.01
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:发射分光光度测定法;试验;精整;金属;光谱测定法;表面;分析;X射线
【英文主题词】:emission;low-alloysteel;spectrometric;Xray
【摘要】:Thisprocedureissuitableformanufacturingcontrolandforverifyingthattheproductmeetsspecifications.Thistestmethodprovidesrapid,multielementdeterminationswithsufficientaccuracytoensureproductqualityandminimizeproductiondelays.TheanalyticalperformancedatamaybeusedasabenchmarktodetermineifsimilarX-rayspectrometersprovideequivalentprecisionandaccuracy,oriftheperformanceofaparticularX-rayspectrometerhaschanged.Calciumissometimesaddedtosteeltoeffectinclusionshapecontrolinordertoenhancecertainmechanicalpropertiesofsteel.Thistestmethodisusefulfordeterminingtheresidualcalciuminthesteelaftersuchtreatment.5.2.1Becausecalciumoccursprimarilyininclusions,theprecisionofthistestmethodisafunctionofthedistributionofthecalcium-bearinginclusionsinthesteel.Thevariationofdeterminationsonfreshlypreparedsurfaceswillgivesomeindicationofthedistributionoftheseinclusions.1.1ThistestmethodcoversthewavelengthdispersiveX-rayspectrometricanalysisoflow-alloysteelsforthefollowingelements:ElementConcentrationRange,%Nickel0.04to3.0Chromium0.04to2.5Manganese0.04to2.5Silicon0.06to1.5Molybdenum0.005to1.5Copper0.03to0.6Vanadium0.012to0.6Cobalt0.03to0.2Sulfur0.009to0.1Niobium0.002to0.1Phosphorus0.010to0.08Calcium0.001to0.007