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L-Cysteine Hydrochloride Monohydrate
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Product Description
L-Cysteine HCl Monohydrate
Appearance: White crystals or crystalline powder
Specific Rotation: +5.5 to +7.0
State of Solution: Clear and colorless, not less than 98.0%
Chloride: 19.89 to 20.29%
Ammonium: ¡Ü0.02%
Sulfate: ¡Ü0.020%
Iron: ¡Ü10ppm
Heavy Metals(Pb): ¡Ü10ppm
Arsenic: ¡Ü1ppm
Other amino acids: Chromatographically not detectable
Loss on drying: 8.5 to 12.0%
Residue on ignition: ¡Ü0.10%
Assay: 99.0% to 100.5%
PH: 1.5 to 2.0
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| Company: | Xinyi Hangling Biological Engineering Co., Ltd. |
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