... China mainland PAC can be used as a flocculants for all water treatmentPACSpecifications of Spray dried process:AppearanceLight yellow ... )3.5-5.0SO2-,%, ≤9.8Ammoniacal nitrogen,%, ≤0.01---As,%, ≤0.0002---Mn,%, ≤0.00750.10---Cr 6 ... 0Basicity,%40-90 Water insoluble substance,%,≤0.51.01.5 PH value(1% aqueous solution)3 ... 5.0 SO 2- ,%, ≤9.8 Ammoniacal nitrogen,%, ≤0.01- As,%, ≤0.0002- Mn,%, ≤0.00750.10- Cr ...