Customization: | Available |
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Type: | Nutrition Enhancers, Preservatives |
Storage Type: | Cool and Dry Place |
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PRODUCT:
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L-Serine
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SPECIFICATION:
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USP&AJI
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CAS:
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56-45-1
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EINECS:
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200-274-3
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Appearance
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White crystals or crystalline powder
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Identification
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Meets the requirements
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Specific rotation [α] D 20
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+14.4 to +15.5°
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State of solution
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Not less than 98.0%
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Chloride(CL)
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Not more than 0.020%
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Ammonium(NH 4 )
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Not more than 0.02%
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Sulfate(SO 4 )
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Not more than 0.020%
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Iron(Fe)
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Not more than 10ppm
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Heavy metals(Pb)
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Not more than 10ppm
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Arsenic(asAs 2 o 3 )
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Not more than 1ppm
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Loss on Drying
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Not more than 0.2%
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pH
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5.2 to 6.2
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Residue on ignition(sulfated)
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Not more than 0.1%
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Assay(Purity)
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99.0 to 101.0 %
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