... ,Na,Li,Ca,and Ba five elements.*offer a complete series,the user only need to prepare propane,butane,gas,source ... *sampling rate:4-6ml/min*the best test range of equipment:K:0-100ppm,Na:0-100ppm,Li:0-100ppm,Ca ... linear calibration:straight-line method,polygon method and quadratic method. AP series flame photometer technical parameter