Standard No.:	GB/T 15263-1994
English Name:	Ambient air－Determination of total hydrocarbons－Gas chromatographic method
Chinese Name:	环境空气 总烃的测定 气相色谱法
Chinese Classification:	Z15    Analysis methods for toxic substances in atmosphere
Professional Classification:	GB    National Standard
ICS Classification:	13.040.20 13.040.20    Ambient atmospheres 13.040.20
Issued by:	STSB
Issued on:	1994-11-02
Implemented on:	1995-6-1
Status:	superseded
Superseded by:	HJ 604-2011 Ambient air-Determination of total hydrocarbons-Gas chromatographic method
Superseded on:	2011-6-1
Language:	English
File Format:	PDF
Word Count:	3500 words
Price(USD):	100.0
Delivery:	via email in 1~3 business day

本标准适用于空气中总烃的测定。本方法用注射器采集空气样品，以带氢火焰离子化检测器的气相色谱仪直接进行测定。样品经过空柱或玻璃微珠阻尼柱导入检测器，测定总烃含量。所用的仪器不同，方法的测定范围不同。总烃测定下限为0.14mg／m 3。以氮气为载气测定空气中总烃含量时，总烃峰中包括氧组分，因样品中氧对响应值有效应，在此，采用除烃净化空气求出空白值，从总烃峰中扣除氧组分值。