Items | SPECIFICATION | TEST RESULT |
Assay | 88%min | 88.26% |
D-Lactic Acid content | 45-55% | 49.44% |
L-Lactic Acid content | 45-55% | 50.56% |
Color | Colorless or light yellow liquid | Pass test |
Optical rotation | [α]20 D:-1~+2 | -0.128 |
residue on ignition | 0.1%max | <0.1% |
Chloride | 0.002%max | <0.002% |
sulphate | 0.005%max | <0.005% |
Iron | 10ppm max | <10ppm |
Arsenic | 3ppm max | <3ppm |
Lead | 2ppm max | <2ppm |
Easy carbides | Passes test | Passes test |
Reducing substances (sugars) | Passes test | Passes test |
Citric, oxalic, tartaric and phosphoric acids test | Passes test | Passes test |