Item | Unit | Standard value |
Molecular weight | G/mol | 112.1 |
Sodium lactate | %wt | 60-70 |
Sodium | %wt | 12.1-12.6 |
Stereochemical purity | %L(+) | ≥97% |
Density (@20°C) | G/ml | 1.32-1.34 |
Chroma (fresh solution) | APHA | ≤30 |
Ph (fresh solution) | - | 6.5-7.5 |
Odor | - | almost odorless |
Taste | - | mild sourness |
Heavy metals (as Pb) | ppm | ≤10 |
Fe | ppm | ≤10 |
Ca | ppm | ≤10 |
Chloride | ppm | ≤50 |
Sulfate | ppm | ≤10 |
Cyanide | ppm | ≤0.5 |
Pb | ppm | ≤2 |
Hg | ppm | ≤1 |
Reducing substances (sugar) | - | pass USP inspection |
Citric acid/ oxalic acid /tartaric acid /phosphoric acid | - | pass USP inspection |
Methanol/ methyl ester | ppm | ≤250 |
