East Huashan Road and South Changrui Road, Jiangshan Town, Laixi City, Qingdao City
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                Item  | Standard  | Result  | 
Potassium lactate, %  | 60.0min  | 60.8  | 
Potassium content, %  | 18.0-18.6  | 18.5  | 
Stereochemical purity, %  | 97.0min  | 98.2  | 
Color(fresh solution), hazen  | 50max  | <30  | 
pH(20% v/v solution)  | 6.0-8.0  | 6.3  | 
Chlorides, ppm  | 50max  | <50  | 
Sulfate, ppm  | 20max  | <20  | 
Iron, ppm  | 10max  | <10  | 
Heavy metals as Pb, ppm  | 10max  | <10  | 
Lead, ppm  | 2max  | <2  | 
Arsenic, ppm  | 1max  | <1  | 
Mercury, ppm  | 1max  | <1  | 
Sodium, %  | 0.1max  | <0.1  |