Re:AluminumSulphate15.8% Appearance:Whitelumps/granules/powder Specification: Al2O3:15.8%min Fe:0.45%max PHvalue:3.0min Water-insolubleMatter:0.15%max As:0.0005%max Pb:0.002%max size:15mmmax(granular) Re:Aluminiumsulphate 16.0% Appearance:Whitelumps/granules/power Specification: Al2O3:16%min Fe:0.4%max PHvalue:3.0min Water-insolubleMatter:0.15%max As:0.0005%max Pb:0.002%max size:15mmmax(granular) Re:Aluminiumsulphate17.0% Appearance:Whitelumps/granules/power Specification: Al2O3:17%min Fe:0.3%max PHvalue:3.0min Water-insolubleMatter:0.15%max size:15mmmax(granular) Re:Aluminiumsulphate17.0%NonFerric Appearance:Whitelumps/granules/power Specification: Al2O3:17%min Iron:0.01% PHvalue:2.6 Water-insoluble:0.5%max size:15mmmax(granular)