General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
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GB/T 13747.23-1992
Scope
This standard specifies the method for the determination of nitrogen content in zirconium and zirconium alloys. This standard applies to the determination of nitrogen content in zirconium and zirconium alloys. Measuring range: 0.0020% to 0.020%.
GB/T 13747.23-1992 history
1992GB/T 13747.23-1992 Zirconium and zirconium alloys--Determination of nitrogen content--Distillation--Nessler reagent spectrophotometric method