精氨酸-焦谷氨酸56265-06-6
Item
Standard
Analysis data
Appearance
White
crystalline powder
Conforms
Specific
rotation[α]20/D
(C=8
6N HCL )
+16.0
to ~18.5 Degree
+16.8°
Transmittance
Not
less than 95%
98.0%
Chloride
(Cl)
Not
more than 0.020%
0.018%
Ammonium
(NH4)
Not
more than 0.02%
<0.02%
Sulfate
(SO4)
Not
more than 0.020%
0.01%
Iron
(Fe)
Not
more than 10ppm
7ppm
Heavy
metal(Pb)
Not
more than 10ppm
7ppm
Other
Amino Acids
Chromatographically
Not
detectable
Conforms
Loss
on drying
Not
more than 2.0%
0.8%
Residue
on ignition(sulfated)
Not
more than 0.10%
0.08%
Assay
98.5%~101.5%
99.0%
Remark
Easy
moisture-absorbed; store in dry、dark、cool place.
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