Standards Development
This proposalspecifies the determination of manganese content in magnesium andmagnesium alloys by inductively coupled plasmaoptical emission spectrometry
Magnesium and magnesium alloys are one kind of light metallic materials and show several advantageous properties, such as low density, high specific stiffness and strength, good damping capacity,castability, weldabilityand machinability, etc. It is widely used in aerospace, rail transportation, electronics, biomedical, bicycle, architectural ornament, etc. The physical and chemical properties will be improved when different metal elements are added, which can meet different requirements of different fields.
Manganese is an effective additive element in magnesium alloys, which can effectively refine the grain structure and improve the corrosion resistance, weldability and yield strength of magnesium alloys.Itis showed that the manganese content has been limited no greater than 2.0%, even than 0.0020% ,in many kinds of magnesium alloys according to the material standards of ISO 8287, ISO 3116, ISO 16220 and so on. Therefore, it is extremely important to determine manganese content accurately in magnesium and its alloys. In order to regulate the addition of manganese element, we need a convenient and fast speedy method to determinate the content of manganese in magnesium and magnesium alloys. ICPOES is the best option due to fast determining speed, high accuracy and precision, and low detection limit. So, we need this international standard to determinate the content of manganese by ICP-OES.
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