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Langelier Saturation Index CalculatorThis calculator helps you determine the scaling potential of the water by using the Langelier Saturation Index.Give the values of your water analysis. All the fields with * are required.藍氏飽和指數( L S I )是用來判斷水質是否會產生結垢或是腐蝕的依據，計算的公式為： L S I = p H -p H s =Is。計算的過程所需的參數包括： 酸鹼值(pH)、Ca硬度、M鹼度(Malk)及總溶解性固體(TDS)的數據值。The indications for the LSI and the improved LSI by Carrier are based on the following values:LSIIndicationLSI<0Water is undersaturated with respect to calcium carbonate. Undersaturated water has a tendency to remove existing calcium carbonate protective coatings in pipelines and equipment.LSI=0Water is considered to be neutral. Neither scale-forming nor scale removing.LSI>0Water is supersaturated with respect to calcium carbonate (CaCO3) and scale forming may occur.LSI (Carrier)Indication-2,0<-0,5Serious corrosion-0,5<0Slightly corrosion but non-scale formingLSI = 0,0Balanced but pitting corrosion possible0,0<0,5Sligthly scale forming and corrosive0,5<2Scale forming but non corrosive