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Item | STANDARD |
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% |
시스틴은 시스테인2분자의 황이 수소원자를 떼내고 결합한 물질이다. 이 결합은 머리카락의 결합이기도 하다.
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