Sodium Sulfite

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Sodium Sulfite
Posting date : May 07, 2010
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50-
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Sodium Sulphate Specification for industry Grade and Food Grade : Item Quality Index Industry Grade Food Grade \Purity (As Na2SO3)96.0%min 98.0%min Sodium sulphate (SO4) 2.0% max 1.0% max Chlorides (As NaCL)0.5% max 1.0%max Arsenic (As) -0.0002%max Heavy metal (As Pb)-0.0005%max Iron (Fe) 0.005%max 0.002% max Water insolubles 0.05%max 0.02%max Quality Index Item Photo Grade Pharmaceutical Grade Purity(As Na2SO3) 98.0%min 98.0%min Sodium sulphate(SO4) 1.0%max 1.0%max Chlorides (As CL-) 0.05%max 0.05%max Arsenic(As) 0.0002%max 2ppm max Lead (As Pb) 0.0005% max 2ppm max Iron (Fe) 0.001%max 5ppm max Selenium (Se) 0.0001%max 1ppm max Zinc (Zn) 0.0001%max 1ppm max Copper(Cu) 0.0001%max 0.1ppm max Mercury (Hg) 0.0001%max 0.1ppm max \ Our mission is quality first, on the customer, integrity management. I am looking forward to cooperate with you

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