Standard No.:	GB/T 223.23-2008
English Name:	Iron, Steel and Alloy-Determination of Nickel Content - The Dimethylglyoxime Spectrophotometric Method
Chinese Name:	钢铁及合金 镍含量的测定 丁二酮肟分光光度法
Chinese Classification:	H11    Steel and iron alloy analysis method
Professional Classification:	GB    National Standard
ICS Classification:	77.080.01 77.080.01    Ferrous metals in general 77.080.01
Issued by:	AQSIQ; SAC
Issued on:	2008-05-13
Implemented on:	2008-11-1
Status:	valid
Superseding:	GB/T 223.23-1994 Methods for chemical analysis of iron, steel and alloy.The dimethylglyoxime spectrophotometric method for the determination of nickel content GB/T 223.24-1994 Methods for chemical analysis of iron, steel and alloy.The extraction seperation-The dimethylglyoxime spectrophotometric method for the determination of nickel content
Language:	English
File Format:	PDF
Word Count:	3500 words
Price(USD):	70.00
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This Part of GB/T 223 specifies the determination of nickel content with dimethylglyoxime direct photometric method and extraction seperation-dimethylglyoxime spectrophotometric method.

The method one of this Part is applicable to the determination of nickel content with mass fraction 0.030%~2.00% in pig iron, iron powder, carbon steel and alloy steel; the method two of this Part is applicable to the determination of nickel content with mass fraction 0.010%~0.50% in pig iron, carbon steel, alloy steel and precious alloy.

Foreword I
1 Scope
2 Normative References
3 Method One-Diacetyldioxime Directly Photometric Method
4 Method Two-Extraction Separation-Dimethylglyoxime Spectrophotometric Method
5 Test Report
Appendix A (Informative) Additional Information of Joint Precision Test