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ITEMS
SPECIFICATION
RESULTS
Specific rotation[a]D20¡ã
+21.3¡ã~+27.0¡ã
+23.7¡ã
State of solution
¡Ý98.0%
98.5%
Chloride(Cl)
¡Ü0.04%
0.027%
Ammonium(NH4)
¡Ü0.02%
0.015%
Sulfate(SO4)
¡Ü0.030%
0.015%
Iron(Fe)
¡Ü10PPm
5.0PPm
Arsenic(As2O3)
¡Ü1PPm
0.1PPm
Heavy metals(Pb)
¡Ü10PPm
5PPm
Loss on drying
¡Ü0.5%
0.36%
Other amino acids
Chromatographically
Not ***ectable
Qualified
Residue on ignition
¡Ü0.20%
0.07%
Melting point
106-110DEGREE C
108
Assay
98.5~101.0%
99.9%
PH
2.0~2.8
2.5
1.N-Acetyl-L-cysteine cas no:616-91-1
2.Cas no:616-91-1
3.99.0% EP,USP white powder
4.Package:25kg/drum |
| Company: |
Guangzhou X-D Chemical Co., Ltd
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| Contact: |
Mr. Eric Zheng |
| Address: |
Rm 301, No.1422, Baiyun Dadao, Baiyun Area |
| Postcode: |
510470 |
| Tel: |
86 2081894977 |
| Fax: |
86 75788816987 |
| E-mail: |
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