)Suitable sample content range : a. Liquid sample:0.01ppm~ several thousands ppm b. Solid or powder sample:0.001% ~ 70% 2)Repeatability:short-term stability, RSD1.5% 3)Long-term stability:RSD2% 4)Test speed:5~8 elements/min 5)Limits of detection (LOD,g/L) for typical elements:1ppb~10ppb