T/GBC 63-2025 Rosin determination of metal elements— Part 3:Determination of zinc— Flame atomic absorption spectrophotometry
T/GBC 63-2025 Rosin determination of metal elements— Part 3:Determination of zinc— Flame atomic absorption spectrophotometry
Basic Information
Scope
This document specifies the principles, reagents and materials, instruments and equipment, analytical procedures, result calculation, precision, and quality assurance and quality control for the determination of zinc in rosin by flame atomic absorption spectrometry. This document is applicable to the determination of zinc in rosin. When the sample weight is 5 g and the volume of the sample solution is 50 mL, the method has a detection limit of 0.5 mg/kg and a quantification limit of 2.0 mg/kg. It specifies the principles, reagents and materials, instruments and equipment, analytical procedures, result calculation, precision, and quality assurance and quality control for the determination of zinc in rosin by flame atomic absorption spectrometry. It is applicable to the determination of zinc in rosin. When the sample weight is 5 g and the volume of the sample solution is 50 mL, the method has a detection limit of 0.5 mg/kg and a quantification limit of 2.0 mg/kg.