GB/T 223.37-1989
GB · 1989-03-31
Methods for chemical analysis of iron,steel and alloy--The indophenol blue photometric methods for the determination of nitrogen content after distillation separation
1Key Takeaways
This standard specifies the determination of nitrogen content by distillation separation-indophenol blue photometry. This standard is applicable to the determination of nitrogen content in pure iron, carbon steel, alloy steel, superalloy and precision alloy, but not applicable to the determination of nitrogen content i…
2Scope / Description
This standard specifies the determination of nitrogen content by distillation separation-indophenol blue photometry. This standard is applicable to the determination of nitrogen content in pure iron, carbon steel, alloy steel, superalloy and precision alloy, but not applicable to the determination of nitrogen content in silicon steel and its profiles smelted without adding aluminum. Measuring range: 0.0010% to 0.050%.
3Version History
GB 223.37-1985
older
GB/T 223.37-2020
newer
5Citation Network
1
Cite this standard
0
Referenced herein
Standards that cite GB/T 223.37-1989
6Frequently Asked Questions
What is GB/T 223.37-1989?
GB/T 223.37-1989 — Methods for chemical analysis of iron,steel and alloy--The indophenol blue photometric methods for the determination of nitrogen content after distillation separation is an international standard developed by General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China. This standard specifies the determination of nitrogen content by distillation separation-indophenol blue photometry. This standard is applicable to the determination of nitrogen content in pure iron, carbon steel, alloy steel, superalloy and...
What does GB/T 223.37-1989 cover?
This standard covers: This standard specifies the determination of nitrogen content by distillation separation-indophenol blue photometry. This standard is applicable to the determination of nitrogen content in pure iron, carbon steel, alloy steel, superalloy and precision alloy, but not applicable to the determination...
Who should use this standard?
This standard is intended for organizations, professionals, and stakeholders involved in various industries and sectors. It is applicable to manufacturers, service providers, regulatory bodies, and certification organizations.
What is the latest version of GB/T 223.37-1989?
The current published version is GB/T 223.37-1989, published on 1989-03-31. Always check for amendments or pending revisions.
How do I purchase GB/T 223.37-1989?
You can purchase GB/T 223.37-1989 by visiting our contact page. Click "Get This Standard" to view pricing and send a purchase inquiry. Our team will respond with payment and delivery details.