Standard No.:	GB/T 21057-2007
English Name:	Inorganic chemicals for industrial use—General method for determination of fluorine content—Ion selective electrode method
Chinese Name:	无机化工产品中氟含量测定的通用方法 离子选择性电极法
Chinese Classification:	G10    Inorganic chemicals in general
Professional Classification:	GB    National Standard
ICS Classification:	71.060.01 71.060.01    Inorganic chemicals in general 71.060.01
Source Content Issued by:	AQSIQ;SAC
Issued on:	2007-10-17
Implemented on:	2008-2-1
Status:	valid
Target Language:	English
File Format:	PDF
Word Count:	6000 words
Translation Price(USD):	180.0
Delivery:	via email in 1~3 business day

本标准规定了无机化工产品中氟含量测定的通用方法—离子选择性电极法。
本标准适用于无机化工产品中氟含量的测定。标准中规定了氟含量的测定方法，在制备试验溶液时，应参考与所分析产品有关标准对本标准进行必要的修改，使其适合产品的测定。本标准适用于所取试验溶液中氟离子质量浓度为0.04μg/mL～40μg/mL。