GB/T 6455-1986
abolished_transferred
GB/T 10267.5-2025
Active
National standards
GB/T 10267.5-2025 Methods for analysis of calcium metal—Part 5:Determination of nitrogen bydistillation-Nessler spectrophotometry
GB/T 10267.5-2025 Methods for analysis of calcium metal—Part 5:Determination of nitrogen bydistillation-Nessler spectrophotometry
Basic Information
Standard Code:
GB/T 10267.5-2025
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Analysis methods for light metals and their alloys
ICS Name:
Non-ferrous metals
Publish Date:
2025-10-05
Implement Date:
2026-05-01
Pages:
12 pages
Scope
This document describes the reagents or materials, instruments and equipment, samples, experimental procedures, data processing, precision, quality assurance and control, and test reports for the determination of nitrogen content in metallic calcium by the distillation-Nessler's reagent photometry method.
This document is applicable to the determination of nitrogen content in metallic calcium. The measurement range is 20 μg/g to 4,500 μg/g.
Development Information
Same series standard
GB/T 10267.1-2025 Methods for analysis of calcium metal—Part 1:Determination of chlorine by chloride selective electorode method
GB/T 10267.2-2025 Methods for analysis of calcium metal—Part 2:Determination of micro-amounts of silicon by spectrophotometry
GB/T 10267.4-2025 Methods for analysis of calcium metal—Part 4:Determination of aluminum by8-hydroxyquinoline-trichloromethane extraction spectrophotometry
Replace the following standards
Related Standards
GB/T 8549-1987
abolished_transferred
GB/T 8549-1987 Metallic powder material—Self-fluxing Fe-Cr-B-Si alloy powder
GB/T 13822-1992
Replaced
GB/T 13822-1992 Test specimens for non ferrous diecasting alloys
GB/T 4461-1992
Replaced
GB/T 4461-1992 Thermostatic bimetal strips
GB/T 14146-1993
Replaced
GB/T 14146-1993 Silicon epitaxial layers—Determination of carrier concentration—Mercury probe Valtage-capacitance method
GB/T 6617-1995
Replaced