 |
|
|
 |
|
 |
|
|
|
|
 |
Zhangjiagang Shuguang Biochemical Factory |
 |
|
|
 |
| |
 |
Featured
Products |
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
| |
|
| |
 |
| Product: |
| |
L-Cysteinc hydrochloride monohydrate |
| Specification: |
| |
| Item |
Specification |
| Standard |
AJI97 |
USP24 |
BP98 |
| Description |
White
crystals or Crystalline powder,Strongly acid taste. |
|
Specific rotation
|
+6.1 to + 7.8 °
|
+5.7 to 6.8 °
|
+5.5 to 7.0 °
|
| State of
solution (Transmittance) |
Clear
and colorless not less than 98.0% |
|
Meets
the requirement
(Appearance of solution) |
| Chloride(Cl) |
19.89
to 20.29% |
19.0
to 19.6% |
|
| ammonium(NH4) |
not
more than 0.02% |
|
not
more than 200PPm |
| Sulfate(SO4) |
not
more than 0.020% |
not
more than 0.03% |
not
more than 300PPm |
| Iron(Fe) |
not
more than 10PPm |
not
more than 0.003% |
not
more than 20PPm |
| Heavy metals(Pb) |
not
more than 10PPm |
not
more than 0.0015% |
not
more than 10PPm |
| Arsenic(As2O3) |
not
more than 1PPm |
|
|
| Other amino
acids |
Chromatographically
not detection |
|
Meets
the requirement
(Ninhydrin-positive substances) |
| Loss on
drying |
8.5
to 12.0% |
8.0
to 12.0% |
8.0
to 12.0% |
| Residue
on ignition(Sulfated) |
not
more than 0.10% |
not
more than 0.1% |
not
more than 0.1%(Sulphated ash) |
| Assay |
98.5
to 101.5% |
98.5
to 101.5% |
98.5
to 101.0% |
| PH |
1.5
to 2.0 |
|
|
| Organic
volatile impurities |
|
Meets
the requirement |
|
|
| More Information |
| |
|
|
|
| |
|
| |
|
| |
|
| |
 |
| Product: |
| |
L-Cysteine hydrochloride anhydrous |
| Specification: |
| |
| Item |
Specification |
| Standard |
AJI97 |
| Description |
White crystals or Crystalline
powder;Strongly acid laste. |
|
Specific rotation
|
5.6 to +8.9
|
State of solution
(Transmittance) |
Clear and colorless
not less than 98.0% |
| Heavy metals(Pb) |
not more than 10PPm |
| Arsenic(As2O3) |
not more than 1PPm |
| Loss on drying |
not more than 1.0% |
| Residue on ignition(Sulfated) |
not more than 0.10% |
| Assay |
98.0 to 102.0% |
| PH |
1.5 to 2.0 |
|
| More Information |
| |
|
|
|
| |
|
| |
|
| |
|
| |
 |
| Product: |
| |
DL-Methionine |
| Specification: |
| |
| Item |
Specification |
| Standard |
AJI97 |
FCC
IV |
BP98 |
| Description |
White
crystals or Crystalline powder,sweet and slightly bither
taste. |
|
State of solution
(Transmittance)
|
Clear and colorless not less than 98.0%
|
|
Meets the requirement (Appearance of
solution)
|
| Chloride(Cl) |
not more
than 0.020% |
|
not more
than 200PPm |
| ammonium(NH4) |
not more
than 0.02% |
|
|
| Sulfate(SO4) |
not more
than 0.020% |
|
not more
than 200PPm |
| Iron(Fe) |
not more
than 10PPm |
|
|
| Heavy metals(Pb) |
not more
than 10PPm |
not more
than 0.002% |
not more
than 20PPm |
| Arsenic(As2O3) |
not more
than 1PPm |
|
|
| Other amino acids |
Conforms |
|
Meets
the requirement (Related substances) |
| Loss on drying |
not more
than 0.30% |
not more
than 0.30% |
not more
than 0.5% |
Residue on ignition
(Sulfated) |
not more
than 0.10% |
not more
than 0.10% |
not more
than 0.1% (Sulphated ash) |
| Assay |
99.0
to 101.0% |
98.5
to 101.5 |
98.5
to 101.0% |
| PH |
5.6 to
6.1 |
|
5.4 to
6.1 |
| Lead |
|
Not more
than 10mg/kg |
|
|
| More Information |
| |
|
|
|
| |
|
| |
|
| |
|
| |
 |
| Product: |
| |
L-Lysine hydrochloride |
| Specification: |
| |
| Item |
Specification |
| Standard |
AJI97 |
USP24 |
BP98 |
| Description |
White
powder;Slightly characteristic taste. |
|
Specific rotation
|
+20.8 to +21.5 °
|
+20.4 to +21.4 °
|
+20.1 to +22.5 °
|
State of solution
(Transmittance) |
Clear
and colorless not less than 98.0% |
|
Meets
the requirement (Appearance of solution) |
| Chloride(Cl) |
19.12
to 19.51% |
19.0
to 19.6% |
|
| ammonium(NH4) |
not more
than 0.02% |
|
not more
the 200PPm |
| Sulfate(SO4) |
not more
than 0.020% |
not more
than 0.03% |
not more
than 300PPm |
| Iron(Fe) |
not more
than 10PPm |
not more
than 0.003% |
not more
than 30PPm |
| Heavy metals(Pb) |
not more
than 10PPm |
not more
than 0.0015% |
not more
than 10PPm |
| Arsenic(As2O3) |
not more
than 1PPm |
|
|
| Other amino acids |
Conforms |
|
Meets
the requirement
(Ninhydrin-positive substances) |
| Loss on drying |
not more
than 0.40% |
not more
than 0.4% |
not more
than 0.5% |
| Residue on ignition(Sulfated) |
not more
than 0.10% |
not more
than 0.1% |
not more
than 0.1%
(Sulphated ash) |
| Assay |
98.5
to 101.0% |
98.5
to 101.5% |
98.5
to 101.0% |
| PH |
5.0 to
6.0 |
|
|
| Organic volatile impurities |
|
Meets
the requirement |
|
|
| More Information |
| |
|
|
|
| |
|
| |
|
| |
|
| |
 |
| Product: |
| |
L-Threonine |
| Specification: |
| |
| Item |
Specification |
| Standard |
AJI97 |
USP24 |
BP98 |
| Description |
White
crystals or Crystalline powder,Slightly sweet taste. |
|
Specifica rotation
|
-27.6 to -29.0 °
|
-26.7 to -29.1 °
|
-27.6 to -29.0°
|
State
of solution
(Transmittance) |
Clear
and colorless not less than 98.0% |
|
Meets
the requirement (Appearance of solution) |
| Chloride(Cl) |
not
more than 0.020% |
not
more than 0.05% |
not
more than 200PPm |
| ammonium(NH4) |
not
more than 0.02% |
|
not
more than 200PPm |
| Sulfate(SO4) |
not
more than 0.020% |
not
more than 0.03% |
not
more than 300PPm |
| Iron(Fe) |
not
more than 10PPm |
not
more than 0.003% |
not
more than 10PPm |
| Heavy
metals(Pb) |
not
more than 10PPm |
not
more than 0.0015% |
not
more than 10PPm |
| Arsenic(As2O3) |
not
more than 1PPm |
|
|
| Other
amino acids |
Conforms |
|
Meets
the requirement (Ninhydrin-positive substances) |
| Loss
on drying |
not
more than 0.20% |
not
more than 0.2% |
not
more than 0.5% |
| Residue
on ignition(Sulfated) |
not
more than 0.10% |
not
more than 0.4% |
not
more than 0.1%
(Sulphated ash) |
| Assay |
99.0
to 101.0% |
98.5
to 101.5% |
99.0
to 101.0% |
| PH |
5.2
to 6.2 |
5.0
to 6.5 |
5.0
to 6.5 |
| Qrganic
volatile impurities |
|
Meets
the requirement |
|
|
| More Information |
| |
|
|
|
| |
|
| |
About 9 records found
Showing 1 -- 5 of 9
Previous  Next 1 2 |
|
|
 |
| |
ChemNet
is a registered trademark of Hangzhou Hi2000 InfoTech Co. ltd.
Global Chemical Exchange, China Chemical Network and ChemNet.com
are services
of Hangzhou Hi2000 InfoTech Co. ltd.
|
|
