Product Specification Of DL-Malic Acid FCC
Items |
Standards |
ASSAY(%) |
99.0-100.5 |
MELTING POINT(℃) |
127-132 |
FUMARIC ACID ≤% |
1.0 |
MALEIC ACID ≤% |
0.05 |
WATER INSOLUBLES ≤% |
0.10 |
SULPHATED ASH ≤% |
0.10 |
HEAVY METALS ≤ppm |
20 |
LEAD ≤ppm |
2 |
ARSENIC ≤ppm |
2 |
MERCURY ≤ppm |
1 |
CHLORIDE ≤ppm |
100 |
SPECIFIC ROTATION |
-0.1-+0.1 |
RESIDUE ON IGNITION ≤% |
0.1 |
Product Specification Of L-Malic Acid
Items |
Standards |
CONTENT(C4H6O5) |
≥99.0% |
APPEARANCE |
White crystals Special acidity |
CLARIFY |
CLARIFIED |
FUMARIC ACID |
0.1% MAX |
MALEIC ACID |
0.05% MAX |
RESIDUE ON IGNITION |
0.05% MAX |
HEAVY METALS |
10PPM MAX |
LEAD |
2PPM MAX |
ARSENIC |
2PPM MAX |
CHLORIDE |
0.004% MAX |
SULFATE(SO4) |
0.02% MAX |
SPECIFIC ROTATION |
-1.6~-2.6 |




