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Specifications and Certificate of Analysis
L-MALIC ACID
Lot No. 200407
Mfg. Date: April, 2000
| ITEMS |
SPECIFICATIONS |
RESULTS |
| Characteristics |
A white crystalline powder; special sour;
hygroscopic |
Complies |
| Identification |
|
Complies |
| Melting Point |
97 – 105°
C |
99 – 104°
C |
| Clarity of Solution |
£ Reference
Suspension 1 |
Complies |
| Arsenic |
< 0.0001 % (1 ppm) |
Complies |
| Heavy Metals |
< 0.002 % (20 ppm) |
Complies |
| Sulfate |
< 0.05 % |
Complies |
| Iron |
< 0.002 % (20 ppm) |
Complies |
| Loss on Drying |
< 1 % |
0.59 % |
| Specific Rotation |
-1.8 to –2.6° |
-2.18° |
| Residue on Ignition |
< 0.2 % |
0.11 % |
Fumaric Acid
(By Spectrophotometry) |
< 0.5 % |
0.19 % |
Assay
(By Acid-Base Titration) |
³ 99.0 % |
99.30 % |
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