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DL-Malic Acid 6915-15-7
CAS No:6915-15-7
Appearance:White crystalline powder
| No | Items | Specification |
| 1 | Appearance | colorless or light yellow |
| 2 | Odor | No odor |
| 3 | Flocculation test | qualified |
| 4 | Solid %（w/w） | 71±0.5 % |
| 5 | Fructose (dry basis) | 42.0 %～42.0 % |
| 6 | Glucose (Dextrose) +Fructose(dry basis) | ≥96.0 % |
| 7 | PH | 3.3-4.5 |
| 8 | Insoluble particles | ≤6.0 mg/kg |
| 9 | conductivity | ≤70 μs/cm |
| 10 | chloride | ≤50.0 mg/kg |
| 11 | Color | ≤20 IU |
| 12 | Transmittance | ≥97 % |
| 13 | acetaldehyde（11%） | ≤80 μg/kg |
| 14 | Isovaleraldehyde（11%） | ≤5.0 μg/kg |
| 15 | 5-hydroxymethylfurfural | ≤75 mg/kg |
| 16 | 2- furfural | ≤2.0 mg/kg |
| 17 | 2-aminoacetylbenzene | ≤0.5 μg/kg |
| 18 | sulfur dioxide(SO2) | ≤3.0 mg/kg |
| 19 | iron (As Fe) | ≤1.0 mg/kg |
| 20 | Copper (as Cu) | ≤1.0 mg/kg |
| 21 | Arsenic (as As) | ≤0.1 mg/kg |
| 22 | Lead (as Pb) | ≤0.05 mg/kg |
| 23 | calcium | ≤5.0 mg/kg |
| 24 | magnesium | ≤5.0 mg/kg |
| 25 | Silicon dioxide | ≤20 mg/kg |
| 26 | Sulfonated polystyrene | ≤1.0 mg/kg |
| 27 | Mould | ≤10 cfu/10g |
| 28 | Yeast | ≤10 cfu/10g |
| 29 | Colony count | ≤200 cfu/10g |
| 30 | Coliform | ≤0.3 MPN/g |
| 31 | Pathogenic bacteria (Salmonella, Shigella, Staphylococcus aureus) |
No detection |
| Cadmium | ≤ 1 ppm | |
| Mercury | ≤ 0.05 ppm |
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