Standard No.:	DL/T 920-2005
English Name:	Determination of air and carbon tetrafluoride content in sulphur hexafluoride by gas chromatography method
Chinese Name:	六氟化硫气体中空气、四氟化碳的气相色谱测定法
Chinese Classification:	F24    Electric power testing technique
Professional Classification:	DL    Professional Standard - Electricity
Issued by:	NDRC
Issued on:	2005-2-14
Implemented on:	2005-6-1
Status:	superseded
Superseded by:	DL/T 920-2019 Determination of air, carbon tetrafluoride, hexafluoroethane and perfluoropr- opane content in sulphur hexafluoride by gas chromatography method
Superseded on:	2019-10-1
Superseding:	SD 311-1989
Language:	English
File Format:	PDF
Word Count:	4000 words
Price(USD):	120.00
Delivery:	via email in 1~3 business day

本标准是根据原国家经济贸易委员会《关于下达2000年度电力行业标准制、修订计划项目的通知》的安排制订而成的。 本标准对SD311-1989进行了修订，规定了六氟化硫气体中空气、四氟化碳的气相色谱测定法，内容包括工作原理、仪器和材料、操作步骤和结果计算方法。 本标准适用于电气设备用六氟化硫气体中空气（N2、O2）、四氟化碳含量的测定。