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Database: 365,228(8 Aug 2026)
nitrogen content indophenol blue spectrophotometric method blue spectrophotometric method nitrogen content — indophenol alloy determination distillation separation gb/t electric power system scopethis specification applies wire rope kn·meter instrument syndromes
GB/T 223.37-2020 in English

GB/T 223.37-2020 in English

VALID

Iron, steel and alloy—Determination of nitrogen content—Indophenol blue spectrophotometric method after distillation separation

  • Issued on:2020-06-02
  • Implemented on:2021-01-01
  • File Format:PDF
  • Delivery:Via email within 1~3 business days
Price(USD): $220.00
$214.00
Standard No: GB/T 223.37-2020
Document status: VALID
Title in English: Iron, steel and alloy—Determination of nitrogen content—Indophenol blue spectrophotometric method after distillation separation
Title in Chinese: 钢铁及合金 氮含量的测定 蒸馏分离靛酚蓝分光光度法
Language: English
File Format: Electronic (PDF)
Delivery: Via email within 1~3 business days
Issued on: 2020-06-02
Implemented on: 2021-01-01
Superseding: GB/T 223.37-1989 Methods for Chemical Analysis of Iron, Steel and Alloy - the Indophenol Blue Photometric Method for the Determination of Nitrogen Content after Distillation Separation
ICS Classification: 77.080.01-Ferrous metals in general
Chinese Classification: H11-Steel and iron alloy analysis method
Professional Classification: GB-National Standard
Related Keywords: nitrogen content indophenol blue spectrophotometric method
blue spectrophotometric method
nitrogen content — indophenol
alloy determination
distillation separation gb/t
Related Topics: nitrogen content
Spectrophotometer Indigo
Phenol blue
Method of measuring fractions
Alloy content
Alloy content
Indophenol
nitrogen content
Nitrogen content standard
Indigo Thermogravimetric Analysis
Triethylaminobromophenol blue spectrophotometry
Determination of ammonium ion by indigo method
Spectrophotometric Determination of Phenols
spectrophotometric steel
Indophenol Blue Spectrophotometry
Spectrophotometric Nitrogen Content
The structure of isoindigo
jss/
Indophenol blue
Determination of total nitrogen content by spectrophotometry
Content resolution
jss
Phenol Reagent Spectrophotometry
Indigo content measurement
Spectrophotometric nitrogen content
Determination of total nitrogen content in water by spectrophotometry
Indigo Synthesis Process
spectrophotometric ferric ion
Indigo Synthesis Process
Spectrophotometer iron content
Liquid nitrogen content
steel alloy
fractional ionization
Iron ion spectrophotometry
air phenol spectrophotometry
Indophenol Blue - Spectrophotometry
Distillation
Alloy Nitrogen Content
GBT223.37
GBT223.37-1989
GBT223.37-2020
Determination of nitrogen content spectrophotometer
Steel and Alloy
Determination of Nitrogen Content in Iron, Steel and Alloy Distillation Separation of Indophenol Blue Spectrophotometry
Determination of Nitrogen Content in Iron, Steel and Alloy - Spectrophotometric Method for Distillation and Separation of Indophenol Blue
Methods for chemical analysis of iron, steel and alloys Distillation separation-neutralization titration method for determination of nitrogen content
Determination of nitrogen content in soil using spectrophotometry
Determination of ammonia nitrogen by indigo method
Spectrophotometer zeroing
Indoxyl blue method and indophenol blue method
Spectrophotometric method for measuring solid nitrogen content
Spectrophotometric Trinitrogen Test Method
Liquid nitrogen evaporation calorimetry

《GB/T 223.37-2020钢铁及合金 氮含量的测定 蒸馏分离靛酚蓝分光光度法》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。


GB/T 223.37-2020 Iron, steel and alloy—Determination of nitrogen content—Indophenol blue spectrophotometric method after distillation separation English

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