... inspection standard indexrequirementresultsApperanceTransparent, sweety,viscidityqualifiedDry solds,%69.0-71.070.3Sorbitol content,%≥50.081Ph value5.0-7.55.6Relative ... <0.0002Chlorid(base on Cl),%≤0.001<0.001Sulphate(base on SO4),%≤0.005<0.005Nickel(base on Ni),%≤0 ... .2. pharmaceutical industry: as the excipient for processing Vitamin C, injection, humectant and stabilizing agent.3. chemical industry: ...