摘要
应用二溴羧基偶氮胂(DBKAA)测定红色荧光粉中少量铕,大量钇可用草酸掩蔽并以含钇的参比液消除其影响,测定了红色荧光粉,取得了满意结果。
A method for the determination of small amounts of europium in red fluorescent powder with dibromocar-boxyarsenazo is developed. Large amounts of yttrium can be masked with oxalic acid and completely eliminated by using the reference solution containing yttrium. Several red phosphor samples have been analyzed with satisfactory results.
出处
《理化检验（化学分册）》
CAS
CSCD
北大核心
1995年第4期213-214,共2页
Physical Testing and Chemical Analysis(Part B:Chemical Analysis)
关键词
二溴羧基偶氮胂
铕
荧光粉
草酸
钇
Dibromocarboxyarsenazo Spectrophotometric determination Europium Red phosphor
