sodium gluconate 1.mainly used for surface treatment of the glasses iron pipes and so on 2.98%min Specification sodium gluconate ItemStandardIndustrial gradeFood gradeRefining gradeAssay, %≥98.098.0 ~ 102.099.0 ~ 102.0Drying loss, %≤0.500.300.30Heavy metal, μg/g≤101010Sulphate, %≤0.050.050.05Chloride, %≤0.070.070.07Reduzate, %≤0.700.500.50Lead, μg/g≤211Uses:1. Can be used to ajust acidity and ...