GB/T 223.40-2007 in English

VALID

Iron, Steel and Alloy - Determination of Niobium Content by the Sulphochlorophenol S Spectrophotometric Method

Issued on:2007-03-09
Implemented on:2007-10-01
File Format:PDF
Delivery:Via email within 1~3 business days

Price(USD)： $50.00
$49.00

Standard No:	GB/T 223.40-2007
Document status:	VALID
Title in English:	Iron, Steel and Alloy - Determination of Niobium Content by the Sulphochlorophenol S Spectrophotometric Method
Title in Chinese:	钢铁及合金铌含量的测定氯磺酚S分光光度法
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 1~3 business days
Issued on:	2007-03-09
Implemented on:	2007-10-01
Superseding:	GB/T 223.40-1985 Methods for chemical analysis of iron,steel and alloy; The anion-exchange separation-sulphochlorophenol S photometric method for the determination of niobium content
ICS Classification:	77.040.30-Chemical analysis of metals
Chinese Classification:	H11-Steel and iron alloy analysis method
Professional Classification:	GB-National Standard
Related Keywords:	niobium content spectrophotometric method sulphochlorophenol s spectrophotometric method low alloy steel carbon steel
Related Topics:	Chlorine + spectrophotometry Phenol photometry Chlorine spectrophotometry Sulfonated bisphenols Chlorine spectrophotometry Phenolic Spectrophotometry Alloy content Alloy content Spectrophotometer sample preparation Chloride Ion Spectrophotometry Chlorosulfonols Spectrophotometric Determination of Phenols Spectrophotometric Determination of Chloride Ions Chloride Ion Spectrophotometry Spectrophotometric determination of chloride ion Chloride Ion Spectrophotometry phenol sulfonate Spectrophotometric determination of sulfo groups Phenol content by spectrophotometry Phenol Reagent Spectrophotometry Spectrophotometric Polyphenols Spectrophotometer iron content Chloride Ion Spectrophotometry steel alloy Photophotometer niobium air phenol spectrophotometry Chloride ion spectrophotometry Spectrophotometer sample preparation Phenols + spectrophotometry content of s Niobium content in steel Chlorine Spectrophotometry Chlorine Spectrophotometry GBT223.40 GBT223.40-1985 GBT223.40-2007 Steel and Alloy Iron content of non-alloy steel Spectrophotometric determination of chloride ions reference

《GB/T 223.40-2007钢铁及合金铌含量的测定氯磺酚S分光光度法》由TC183（全国钢标准化技术委员会）归口，TC183SC5（全国钢标准化技术委员会钢铁及合金化学成份测定分会）执行，主管部门为中国钢铁工业协会。
本标准规定了用氯磺酚S分光光度法测定铌含量的方法。

This Part of GB/T 223 specifies the determination of niobium content by the sulphochlorophenol S spectrophotometric method.
This Part is applicable to determination of niobium content in carbon steel and low alloy steel with a mass fraction of 0.010%~0.50 %.

Foreword I
1 Scope
2 Normative References
3 Principles
4 Reagents
5 Instruments
6 Sampling and Sample Preparation
7 Analytical Procedure
8 Result Calculations
9 Precision
10 Test Report
Appendix A (Informative) Additional Information on Common Precision Test

More samples: QC/T 942-2021 JGJ 94-2008 JJG 21-2008

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GB/T 223.40-2007 in English

Iron, Steel and Alloy - Determination of Niobium Content by the Sulphochlorophenol S Spectrophotometric Method

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