Standard No.:	GB/T 11839-2008
English Name:	Determination of boron in uranium dioxide pellets by curcumin extraction spectrophotometric method
Chinese Name:	二氧化铀芯块中硼的测定 姜黄素萃取光度法
Chinese Classification:	F46    Nuclear material, nuclear fuel and their analytical test method
Professional Classification:	GB    National Standard
ICS Classification:	27.120.30 27.120.30    Fissile materials and nuclear fuel technology 27.120.30
Issued by:	AQSIQ, SAC
Issued on:	2008-06-19
Implemented on:	2009-4-1
Status:	valid
Superseding:	GB/T 11839-1989 Determination of boron in uranium dioxide pellts-The curcumin extraction-spectrophotometric method
Language:	English
File Format:	PDF
Word Count:	4000 words
Price(USD):	120.0
Delivery:	via email in 1~3 business day

本标准规定了二氧化铀芯块中硼测定的方法提要、试剂和材料、仪器和设备、试样、分析步骤、结果计算及方法精密度。
本标准适用于二氧化铀芯块中硼的测定,也适用于核纯八氧化三铀中硼的测定。当二氧化铀取样量为0.5g时,硼含量的测定范围为:(0.1~1.0)μg/g。
每克试样中允许共存元素的微克量见附录A。