Standard No.:	GB/T 223.14-2000
English Name:	Methods for Chemical Analysis of Iron, Steel and Alloy - The N-Benzoy-N-Phenylhydroxylamine Extraction Photometric Method for the Determination of Vanadium Content
Chinese Name:	钢铁及合金化学分析方法 钽试剂萃取光度法测定钒含量
Chinese Classification:	H11    Steel and iron alloy analysis method
Professional Classification:	GB    National Standard
ICS Classification:	77.040.30 77.040.30    Chemical analysis of metals 77.040.30
Source Content Issued by:	SBQTS
Issued on:	2000-04-11
Implemented on:	2000-11-1
Status:	to be superseded
Superseded by:	GB/T 223.13-2025 Iron, steel and alloy—Determination of vanadium content—Titrimetric method and spectrophotometric method
Superseded on:	2026-3-1
Superseding:	GB/T 223.14-1989 Methods for chemical analysis of iron, steel and alloy--The N-benzoyl-N-phenylhydroxylamine extraction photometric method for the determination of vanadium content
Target Language:	English
File Format:	PDF
Word Count:	2000 words
Translation Price(USD):	40.0
Delivery:	via email in 1 business day

1 Scope This standard specifies the N-benzoy-N-phenylhydroxylamine extraction photometric method for the determination of vanadium content. This standard is applicable to determination of 0.0050% (m/m)~0.50%(m/m) vanadium content in Iron, steel and alloy. 2 Normative References The following standards contain provisions which, through reference in this text, constitute provisions of this standard. At time of publication, the editions indicated are valid. All standards are subject to revision, and parties to agreements based on this code are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below.

Contents 1 Scope 2 Normative References 3 Method Summary 4 Reagents and Materials 5 Instruments and Equipments 6 Sampling and Sample Preparation 7 Analysis Procedures 8 Analysis Result and Expression; 9 Precision 10 Test Report