| Physico-Chemical Properties |
| Description |
– |
Transparent, syrupy, hygroscopic liquid. Miscible with water and alcohol. |
– |
| Density @ 20°C/68°F |
g/mL |
1.19 – 1.21 |
1.19 – 1.21 |
| Sensory Characteristics |
| Colour (fresh solution) |
Hazen |
Max. 35 |
10 |
| Colour after heating @ 200°C/392°F, 2h |
Hazen |
Max. 50 |
20 |
| Purity |
| Positive test for lactate |
– |
Passes test |
Passes test |
| Total acidity (as lactic acid) |
% w/w |
Min. 88 |
88.2 |
| Stereochemical purity |
% L(+) |
Min. 97 |
Min. 97 |
| Heavy metals (as Pb) |
ppm |
Max. 5 |
Max. 5 |
| Iron |
ppm |
Max. 5 |
Max. 5 |
| Calcium |
ppm |
Max. 10 |
Max. 10 |
| Chloride |
ppm |
Max. 5 |
Max. 5 |
| Sulphate |
ppm |
Max. 10 |
Max. 10 |
| Sulphated ash |
% w/w |
Max. 0.01 |
Max. 0.01 |
| Cyanide |
ppm |
Max. 0.5 |
Max. 0.5 |
| Lead |
ppm |
Max. 0.5 |
Max. 0.5 |
| Arsenic |
ppm |
Max. 1 |
Max. 1 |
| Mercury |
ppm |
Max. 0.5 |
Max. 0.5 |
| Reducing substances (sugars) |
– |
Passes test |
Passes test |
| Citric, oxalic, tartaric, phosphoric acids |
– |
Not detectable |
Not detectable |
| Methanol and methyl esters |
– |
Passes test |
Passes test |
| Volatile fatty acids |
– |
Passes test |
Passes test |
| Readily carbonizable substances |
– |
Passes test |
Passes test |
| Ether insoluble substances |
– |
Passes test |
Passes test |
