กก
Lecithine Iodide
Test | Specification |
Description | Yellowish brown color powder |
Identification 1) Iodine 2) Phosphoric acid |
กก
1) Purple red is indicated 2) Yellowish sediment is indicated |
Purity 1) Free iodine (TLC) 2) Iodated Substance |
กก 1) Test solution is not stronger than solution 2) Test solution is not stronger than solution |
Heavy metals | Not more than 20 ppm |
Residue on ignition กก |
Not more than
11%
(1g, 450 ~ 550'C constant weight) |
Assay | 6.5 ~ 7.0% |