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|
ITEM |
LIMIT |
RESULT |
|
Aspect |
Crystalline white powder |
Conform |
|
Identification |
Conform |
Conform |
|
Solution In Water(1 : 10) |
Complete Clear without any colour |
Conform |
|
Specific Rotation [α]D20 |
-0.3°- +0.3° |
+0.0° |
|
Ammonium(NH4) |
≤0.01% |
<0.01% |
|
Heavy metals (Pb) |
≤10ppm |
<10ppm |
|
Arsenic |
≤2 PPM |
<2ppm |
|
Iron (Fe) |
≤30ppm |
<30ppm |
|
Sulphate (SO4) |
≤0.01% |
<0.01% |
|
Chloride (Cl) |
≤0.01% |
<0.01% |
|
Assay (Magnesium) |
6.3 %– 7.0% |
6.68% |
|
Loss on drying |
18.5% – 22.5% |
19.21% |
|
Assay |
98.5 %– 100.5% |
99.05% |
|
PH |
5.8 – 7.5 |
6.0 |
氨基酸及其衍生物
