A solution of the salt is aspirated into the LPG-AIR flame. The vapor takes up energy from the flame and emits the wavelength Characteristic color of the element being tested. The intensity of emitted light is proportional to the concentration of the metal Ion in the solution. Further details available on our website. Price and specifications mentioned here are subject to change as per the application, customer requirements and prevailing market conditions. Please refer to us for the final rates and offer.