... Fluorescence analysis of minerals, metallurgy,non-ferrous, new materials. Touch Screen HF Sample Preparation EquipmentFeature:1.We are the ... to geology,metallurgy, silicate,nonferrous metal,mines and new materials fields.3.This model is double burner ... two samples in same time within a few minute.5. Make at least 12 samples 1 hour6. ... Low cost ,extended life and energy saving8. Touch screen panel