Customization: | Available |
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CAS No.: | 63-68-3 |
Formula: | C5h11no2s |
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Choline chloride is a white hygroscopic crystalline powder, tasteless, fishy odor, unstable in lye.
L-methionine , also known as L-methionine , is a left-handed body of methionine. Its chemical properties are colorless or white glossy flake crystals or white crystalline powder, with a special odor and slightly bitter taste. Melting point 280 ~ 281ºC. It is unstable to strong acids and can lead to demethylation. Soluble in water (5.6g/100mL,30ºC), warm dilute ethanol, alkaline solution or dilute inorganic acid. Insoluble in ethanol, almost insoluble in ether.
Methionine is an essential amino acid found in the body for the manufacture of proteins and peptides. It is found in meat, fish and dairy products as well as nuts and grains.
ANALYSIS
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SPECIFICATION
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RESULTS
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Appearance
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White powder
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Complies
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Odor
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Characteristic
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Complies
|
Tasted
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Characteristic
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Complies
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Assay
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99%
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Complies
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Sieve Analysis
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100% pass 80 mesh
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Complies
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Loss on Drying
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5% Max.
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1.02%
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Sulphated Ash
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5% Max.
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1.3%
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Extract Solvent
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Ethanol & Water
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Complies
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Heavy Metal
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5ppm Max
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Complies
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As
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2ppm Max
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Complies
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Residual Solvents
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0.05% Max.
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Negative
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Microbiology
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|
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Total Plate Count
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1000/g Max
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Complies
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Yeast & Mold
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100/g Max
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Complies
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E.Coli
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Negative
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Complies
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Salmonella
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Negative
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Complies
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