| Properties | White crystal or crystalline powder with sour taste | |
| Chemical name | L(+)tartaric acid dipotassium | |
| Molecular formula | C4H5KO6 | |
| Structural formula |  |
|
| Molecular weight: | 188.18 | |
| Quality index (Standard: Q/320400 CMS 013-2006) |
Content (as C4H5KO6 dry basis): | 99.0% ~ 101.0% |
| Clarity: | Qualified | |
| Sulfate (SO4): | ≤0.019% | |
| Ammonium salt: | Qualified | |
| Heavy metal (Pb): | ≤0.002% | |
| Arsenic (As): | ≤4.0mg/kg | |
| Readily oxidizable substance: | Qualified | |
| Drying loss: | ≤0.5% | |
| Main functions and uses | For volumetric analysis, buffer agent, reducing agent, swelling agent in food indsutry, cream of tartar for chiffon cake, and etc. | |
| Packing | 25kg composite paper bag lined with PE bag, 20 container can hold 20 tons (pallet). | |
| Storage | Keep in dry, cool and shading place. | |
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