Standard No.:	GB/T 4372.4-2015
English Name:	Methods for chemical analysis of zincoxide produced by direct process―Part 4：Determination of cadmium oxide content―Flame atomic absorption spectrometry method
Chinese Name:	直接法氧化锌化学分析方法 第4部分：氧化镉量的测定 火焰原子吸收光谱法
Chinese Classification:	H13    Heavy metals and their alloys analysis method
Professional Classification:	GB    National Standard
ICS Classification:	77.120.60 77.120.60    Lead, zinc, tin and their alloys 77.120.60
Issued by:	AQSIQ; SAC
Issued on:	2015-09-11
Implemented on:	2016-4-1
Status:	valid
Superseding:	GB/T 4372.4-2001 Methods for chemical analysis of zinc oxide produced by direct process-Determination of cadmium oxide content-Atomic absorption spectrometry method
Language:	English
File Format:	PDF
Word Count:	5500 words
Price(USD):	110.00
Delivery:	via email in 1 business day

GB/T 4372 consists of the following seven parts under the general title Methods for chemical analysis of zinc oxide produced by direct process:



——Part 1: Determination of zinc oxide content - Na2EDTA titration method;



——Part 2: Determination of lead oxide content - Flame atomic absorption spectrometry method;



——Part 3: Determination of copper oxide content - Flame atomic absorption spectrometry method;



——Part 4: Determination of copper, lead, iron, cadmium and manganese contents - Inductively coupled plasma atomic emission spectrometry;



——Part 5: Determination of manganese content - Flame atomic absorption spectrometry method;



——Part 6: Testing of metallic zinc;



——Part 7: Determination of ferric oxide content - Flame atomic absorption spectrometry method.



This part is Part 4 of GB/T 4372.



Methods for chemical analysis of zinc oxide produced by direct process -

Part 4: Determination of copper, lead, iron, cadmium and manganese contents -Inductively coupled plasma atomic emission spectrometry



1 Scope



This part of GB/T 4372 specifies the methods for determining copper, lead, iron, cadmium and manganese contents of zinc oxide produced by direct process.



This part is applicable to the determination of copper, lead, iron, cadmium and manganese contents of zinc oxide produced by direct process. See Table 1 for the determination range of each element.

Foreword i
1 Scope
2 Method summary
3 Reagents
4 Apparatus
5 Specimen
6 Analysis procedures
7 Calculation of analysis result
8 Precision
9 Test report