Appearance White crystal Purity 99.0 %min Al 0.2ppm.max Ca&Mg 0.005%max Fe 0.0003%max Chloride (Cl) 0.035%max Sulphate (SO4) 0.005%max Heavy metal (as Pb) 10ppm.max Arsen... >>>

Appearance White Powder Purity 99.5 %min Al 20ppm.max Ca&Mg 0.005%max Fe 0.001%max Chloride (Cl) 0.005%max Sulphate (SO4) 0.01%max Hg 2ppm.max Heavy metal (as Pb) 10ppm.... >>>

Appearance White crystal Purity 98-99 %min Chloride (Cl) 0.01%max Ca 0.01%max Fe 0.0005%max Sulphate (SO4) 0.01%max Heavy metal (as Pb) 0.0005%max Reduction of potassium p... >>>

Appearance White crystal Purity 98 %min Water insoluble 0.05%max Fe 0.005%max Chloride (Cl) 0.005%max Sulphate (SO4) 0.01%max Heavy metal (as Pb) 0.005%max PH value 6.7-7.... >>>

Appearance White crystal Content (%) 99.0-101.0 PH value 8.6max Chloride(Cl) (ppm) 150max Sulphate(SO4) (ppm) 150max Ammonium(NH4) (ppm) 20max Calcium(Ca) (ppm) 100max Iro... >>>

Appearance White powder Purity 99.0% Al 20ppm.max Ca&Mg 0.005%max Fe 0.001%max Chloride (Cl) 0.005%max Sulphate (SO4) 0.01%max Heavy metal (as Pb) 10ppm.max As 3ppm.max ... >>>

Appearance White powder Purity 98.0%min Heavy metal (as Pb) 0.05%max PH (5% water solution) 7.5-9.0 we have pharmaceutical grade, food grade and industrial grade... >>>

Appearance White crystal Purity 98.5% Fe 0.001%max Heavy metal (as Pb) 5ppm.max Arsenic (As) 2ppm.max PH (5% water solution) 7.5-9.0 Loss weight (120℃ drying condition) 38... >>>