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L-SERINE
[Name of product]: L-SERINE
[Chemical Formula]: 
[Molecular Formula]:
C 3 H 7 NO 3
[Molecular weight]: 105.09
[Character]: White crystalline powder, odorless, sweet , freely soluble in water, very slightly soluble in ethanol .
[Quality]: Standard According to buyer's Requirements, Generally
Food grade adopted as the American FCC IV
Medical Grade adopted as AJI 97, or USP 24 |
Items |
FCC IV |
AJI97 |
USP 24 |
Assay |
99.0% ~ 101.0% |
98.5% ~ 101.0% |
98.5% ~ 101.5% |
Specific rotation |
+14.4 ° ~ +15.5 ° |
+14.4 ° ~ +15.5 ° |
+14.0 ° ~ +15.6 ° |
State of solution |
clear & colorless |
clear & colorless |
clear & colorless |
Transmittance |
-- |
98.0% MIN |
-- |
Chloride |
-- |
0.020% MAX |
0.050% MAX |
Ammonium |
-- |
0.02% MAX |
-- |
Sulfate |
-- |
0.02% MAX |
0.03% MAX |
Iron |
-- |
10ppm MAX |
30ppm MAX |
Heavy metals |
10ppm MAX |
10ppm MAX |
15ppm MAX |
Arsenic |
-- |
1ppm MAX |
-- |
Other amino acids |
Conforms |
Conforms |
Conforms |
pH value |
-- |
5.2 ~ 6.2 |
-- |
Loss on drying |
0.20% MAX |
0.20% MAX |
0.20% MAX |
Residue on ignition |
0.10% MAX |
0.10% MAX |
0.10% MAX |
| [Packing]: In kraft paper bags or in fiber drum of 25KG net each.
[Transport and Storage]: Handle with cares to avoid damaging the package, protects them from sunshine or rain. Don't transport it with poisonous or harmful goods. Stored in shaded, cool and dry places. |
| Add:
NO. 46, FANXI ROAD, SHIJIAZHUANG, CHINA. |
P.C.:
050011 |
| Tel:
0086-311-86046166 |
Fax:
0086-311-86041112 |
| E-MAIL: gchem@heinfo.net |
|
| HTTP:// www.aminoacid-chem.com |
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