Methods for chemical analysis of iron steel and alloy; The indophenal blue photometric methods for the determination of nitrogen content after distillation separation

GB 223.37-1989 Methods for chemical analysis of iron steel and alloy; The indophenal blue photometric methods for the determination of nitrogen content after distillation separation
Standard No.:	GB 223.37-1989	Status:	VALID remind me the status change Email:
Target Language:	English	File Format:	PDF
Word Count:	2500 words	Translation Price:	75 (USD) remind me the price change Email:
Implemented on:	1990-07-01	Delivery:	via email in 1-3 business day
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Standard No.:	GB 223.37-1989
Chinese Name:	钢铁及合金化学分析方法蒸馏分离-靛酚蓝光度法测定氮量
English Name:	Methods for chemical analysis of iron steel and alloy; The indophenal blue photometric methods for the determination of nitrogen content after distillation separation
Professional Classification:	H11 Steel and iron alloy analysis method
Professional Classification:	GB National Standard
ICS Classification:	77.080
Issued by:
Issued on:	1989-03-31
Implemented on:	1990-07-01
Status:	VALID
Replace By:	GB/T223.37-2020
Replace By Date:
Target Language:	English
File Format:	PDF
Word Count:	2500 words
Translation Price:	75 (USD)
Delivery:	via email in 1-3 business day

GB 223.37-1989 The following standards are cited：

GB 223.37-1989 Cited by the following standards：