1.Paschen-Runge mounting 2.easily test Li, Na, K and other long wave elements 3. ... temperature fluctuation.l New light room structure: it can easily test Li, Na, K and other long wave elements and ... Harmonious, Profession, IntegrityObjective To build top-grade instrument company of materials testing, To be the best omnibearing partner of customer. Labspark1000 Spark Optical Emission Spectrometer