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Cystine 56-89-3 Cystine price
Item
|
Index
|
Specific rotatory power[α] D20
|
-215º -225º
|
Clarity
|
≥ 98.0%
|
Ammonium salt[NH4]
|
≤ 0.02%
|
Chloride[CL]
|
≤ 0.02%
|
Residue on ignition
|
≤ 0.10%
|
Sulfate[SO4]
|
≤ 0.02%
|
Iron salt[Fe]
|
≤ 10 ppm
|
Heavy metal[Pb]
|
≤10 ppm
|
Arsenic salt
|
≤1 ppm
|
Other amino acid
|
Color layer can not be checked out.
|
Loss on drying
|
0.20%
|
Content
|
98.5 -101.0%
|
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