Standard No.:	GB/T 7490-1987
English Name:	Water quality; Determination of volatile phenolic compounds; After distillation by means of 4-AAP spectrophotometric method
Chinese Name:	水质 挥发酚的测定 蒸馏后4-氨基安替比林分光光度法
Chinese Classification:	Z16    Analysis methods for toxic substances in water
Professional Classification:	GB    National Standard
Issued by:	State Environmental Protection Administration
Issued on:	1987-03-06
Implemented on:	1987-8-1
Status:	superseded
Superseded by:	HJ 503-2009 Water quality-Determination of volatile phenolic compounds-4-AAP spectrophotometric method
Superseded on:	2009-12-1
Abolished on:	2009-12-01
Language:	English
File Format:	PDF
Word Count:	3500 words
Price(USD):	100.0
Delivery:	via email in 1~3 business day

本标准适用于饮用水、地面水、地下水和工业废水中挥发酚的测定。其测定范围为0.002～6mg/L。浓度低于0.5mg/L时，采用氯仿萃取法，浓度高于0.5mg/L时，采用直接分光光度法。氧化剂、油类、硫化物、有机或无机还原性物质和芳香胺类干扰酚的测定。