Standard No.:	GB/T 12687.6-1990
English Name:	Chemical analysis of nitrate of rare earth for agriculture - Determination of lead and cadmium content-Flame atomic absorption spectrophotometric method
Chinese Name:	农用硝酸稀土化学分析方法 火焰原子吸收光谱法测定铅,镉含量
Chinese Classification:	H14    Rare metals and their alloys analysis method
Professional Classification:	GB    National Standard
Issued by:	AQSIQ
Issued on:	1990-1-2
Implemented on:	1992-1-1
Status:	superseded
Superseded by:	GB/T 12687.1-2010 Chemical analysis methods of rare earth nitrate for growth regulator for plant—Part 1:Determination of arsenic mercury lead cadmium and chromium contents—Inductively coupled plasma m
Superseded on:	2011-11-1
Language:	English
File Format:	PDF
Word Count:	1500 words
Price(USD):	184.00
Delivery:	via email in 1~3 business day

本标准规定了农用硝酸稀土中铅、镉含量的测定方法。本标准适用于农用硝酸稀土中铅和镉的的同时测定，也适用于其中一个素的独立测定。测定范围：Pb0.001%～0.01%；Cd0.000 1%～0.001%。