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Zhejiang Deqing Tongbao Biological Engineering Co.,Ltd.
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L-Aspartic acid
Specification:
Assay
99.0-100.5%
Transmittance
≥98.0%
Specific rotation
20
D
+24.8° ~ +25.8°
Loss on drying
≤ 0.20%
Chloride(Cl)
≤ 0.020%
Ammonium (NH
4
)
≤ 0.02%
Sulfate (SO
4
)
≤ 0.020%
Iron (Fe)
≤ 10ppm
Heavy metals (Pb)
≤ 10ppm
Arsenic (As
2
O
3
)
≤ 1ppm
Residue on ignition
≤ 0.10%
PH
2.5 ~ 3.5
Other amino acids
Not detectable
More Information
L-Alanine
Specification:
Assay
99.0-101.0%
Transmittance
≥98.0%
Specific rotation
20
D
+14.3° ~ +15.2°
Loss on drying
≤ 0.20%
Chloride(Cl)
≤ 0.020%
Ammonium (NH
4
)
≤ 0.02%
Sulfate (SO
4
)
≤ 0.020%
Iron (Fe)
≤ 10ppm
Heavy metals (Pb)
≤ 10ppm
Arsenic (As
2
O
3
)
≤ 1ppm
Residue on ignition
≤ 0.10%
PH
5.7 ~ 6.7
Other amino acids
Not detectable
More Information
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