DL-serine

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DL-serine CAS-NO: 302-84-1 Molecular formula: C3H7NO3 Molecular Weight: 105.09 Properties: Colorless monoclinic cylindrical or lamellae; soluble in water, insoluble in water, ethanol and ether. Quality indicators (FCC-Ⅳ standard) Assay: ≥ 99% 0 ° ± 0.5 ° than curl (0.1g/mlHCL): Acidity (PH) (0.3g/30ml aqueous solution) :5.2-6 .2 Loss on drying%: ≤ 0.3 Residue on ignition: ≤ 0.1 Sulfate (of SO42-)%: ≤ 0.02 Ammonium (NH4 +)%: ≤ 0.02 Chloride (CL-)%: ≤ 0.02 Other amino acids: ≤ 0.5 Iron salts (Fe): ≤ 10ppm Heavy metals (Pb): ≤ 10ppm

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