CERTIFICATE OF ANALYSIS Poly Aluminium Chloride (PAC-3) Industrial Grade Production Date: Feb 23rd, 2018 Sampling Date: Feb 23rd, 2018 Lot No.: 20180223 Shelf Life: 24 months Standard: GB22627-2008 Quantity: 300mt Item Index Test Result Single conclusion Appearance White to yellow-brown powders Yellow powders qualified Al2O3, % min 28 30.1 qualified Basicity, % 30.0-95.0 82 qualified PH value(1% water solution) 3.5-5.0 4 qualified Water insoluble %max 1.5 0.01 qualified Fe, % max 5.0 1.59 qualified Remarks Final Conclusion Qualified