Detailed Product Description Potassium Hydroxide FlakeTEST ITEMSPECIFICATIONAppearance White flakePotassium Hydroxide(KOH) ,weight %90%minCarbonates(K2CO3) ,weight %0.5 maxChloride (as Cl), ppm50 maxIron (Fe+2 & Fe +3), ppm5 maxSulfate (as SO4) ,ppm50 maxNitrate and nitrite (as N), ppm5 maxSodium (Na) ,weight %0.8% maxPhosphate (PO4) ,pp,50 maxSilicate (SiO3) , ppm100 maxAluminum (Al) , ppm 20 ...