... (K, Na, Li, Ca, Ba). It can be widely applied to agriculture (soil, fertilizer, tobacoo), industry (cement, glass, ceramics, mineral or ... instrument stability)Sample Rate4 ~ 6ml/minLinearityBetter than the best results of the intermediate value of 2% (single-point CAL)Response Time less than ... -AP1500 Flame Photometer/Spectrophotometer (With Air-compress, PC software, can test K,Na,Li,Ca,Ba)