DL-焦谷氨酸?149-87-1
Items
Standard
Analysis data
Appearance
White
crystalline powder
Conforms
Melting
Point(oC)
180.0
to 182.0oC
181℃
Transmittance
Not
less than 98.0%
98.2%
Chloride(C1)
Not
more than0.02%
0.018%
Ammonium(NH4)
Not
more than0.02%
Conforms
Sulfate(SO4)
Not
more than 0.02%
0.01%
Heavy
metals(Pb)
Not
more than 10ppm
Conforms
Iron(Fe)
Not
more than 10ppm
7ppm
Arsenic(As2O3)
Not
more than 1ppm
Conforms
Loss
on drying
Not
more than 0.50%
0.11%
Residue
on ignition
Not
more than0.1%
Conforms
Assay
98.0-101.0%
99.0%
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