syt7550-2004 原油中蜡、胶质、沥青质含量测定法

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1、ICS75.040E21备案号:14092-2004SY中华人民共和国石油天然气行业标准SY/T7550-2004代替SY/T7550-2000原油中蜡、胶质、沥青质含量测定法Determinationofwax,resinsandasphaltenescontentsincrudeoilwww.bzfxw.com2004一07一03发布2004一11-01实施国家发展和改革委员会发布sY/T7550-2004目次前言·····。·····················、················

2、·。································································。···⋯⋯n1范围·············································································。·································⋯⋯12规范性引用文件···。············································。········

3、·······································⋯⋯13术语和定义········.·································································。··················。·······⋯⋯14方法概要···························································。··。···..······························

4、········。·⋯15试剂及材料·······················。····。··································································。······⋯⋯16仪器·····‘·········································································································⋯⋯27准备工作··········

5、···················。··⋯，’’······。。·········。···、·············································⋯⋯48试验步骤·····································································································。···⋯⋯49计算······················。····。······。·······。

6、··········。····，····················································⋯⋯510精密度······················································································..····················⋯⋯611报告································································

7、···············································⋯⋯6www.bzfxw.comSY/'r7550-2004前言本标准代替SY/T7550-2000《原油中蜡、胶质、沥青质含量测定法》。本标准与SY/T7550-2000相比，主要有如下变化:—细化7.3的蒸馏过程;—明确使用120℃油浴蒸去甲苯溶剂;—将“蜡含量测定器”改为“蜡含量测定仪”;—“在真空烘箱内干燥60min，称量”改为“在真空烘箱内干燥60min，冷却40min，称量至恒重，;—“静止析蜡”改为

8、“搅拌析蜡，’;—增加残油收率的计算公式。本标准由油气计量及分析方法专业标准化技术委员会提出并归口。本标准起草单位:中国石油化工集团公司管道储运公司华东管道设计研究院。本标准主要起草人:陈红、叶烈波、李荣晖、吴怀颖。本标准所代替标准的历次版本发布情况为:—SY/T7550-2000,www.bzfxw.comSY/T755.卜一2004原油中蜡、胶质、沥青质含量测定法范围本标准规定了原油中蜡、胶质及沥青质含量的测定法。本标准适