SAE AS4681 Fitting, Union, Reducer, Expander Bulkhead, Flareless and Short Flareless
时间:2024-05-04 08:50:39 来源: 标准资料网 作者：标准资料网 阅读：9274
Product Code:SAE AS4681
Title:Fitting, Union, Reducer, Expander Bulkhead, Flareless and Short Flareless
Issuing Committee:G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
Scope:No scope available.
【英文标准名称】:TraceMetallicImpuritiesinFreshCatalystsbyICP-AES
【原文标准名称】:用感应耦合等离子体-美国电化学协会法测定新鲜催化剂中痕量金属杂质
【标准号】:ASTMUOP927-1992
【标准状态】:现行
【国别】:美国
【发布日期】:1992
【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】:.
【标准类型】:(UOP)
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:Thismethodisfordeterminingtracelevelsofiron,sodium,calcium,magnesium,titanium,molybdenumandsiliconinfreshaluminasupportedcatalystsofknowncompositionbyInductivelyCoupledPlasma-AtomicEmissionSpectrometry(ICP-AES).Alltheseelementsexceptsiliconcanalsobedeterminedinfreshsilica-aluminasupportedcatalysts.Themethodissufficientlyflexibletopermitthedeterminationofothermetalsattracelevelsiftheycanbebroughtintosolutionusingthesamplepreparationproceduredescribed.ConcentrationrangescoveredarelistedinTable1.Catalystscontainingalpha-ortheta-aluminaphasescannotbeanalyzedbythismethod.
【中国标准分类号】:
【国际标准分类号】:
【页数】:7P.;A4
【正文语种】:英语
Product Code:SAE J824
Title:Engine Rotation and Cylinder Numbering
Issuing Committee:Engine Power Test Code
Scope: This SAE Standard was developed to provide a method for indicating the direction of engine rotation and numbering of engine cylinders. The document is intended for use in designing new engines to eliminate the differences which presently exist in industry.