riboflavin vitamin

riboflavin vitamin

Pudong, China
Pudong, China
Company
86-21-61905517
15000968267
Charles Zhou
Contact person

Basic Information

TESTSPECIFICATIONRESULTAPPEARANCE Yellow to orange-yellow, crystalline powderConformsIDENTIFICATIONAIt complies with the test for specific optical rotation ConformsBExamine the chromatogram obtained in the test for lumiflavin,the principal spot in the chromatogram obtained with test solution is similar in position and size to the principal spot in the chromatogram obtained with reference solution ConformsCA solution in water at a concentration of 1mg/100ml(w/v) appears pale greenish yellow by transmitted light,and has an intense yellowish-green fluorescence which disappears upon the addition of mineral acids or alkalies ConformsSPECIFIC ROTATION-115° -135°-120°ABSORBANCEThe solution shows 4 maxima, at 223 nm, 267 nm, 373 nm and 444 nm. The ratio of the absorbance at the maximum at 373 nm to that at the maximum at 267 nm is 0.31 to 0.33, and the ratio of the absorbance at the maximum at 444 nm to that at the maximum at 267 nm is 0.36 to 0.39. ConformsLIMIT OF LUMIFLAVINMeets the requirementsConformsLOSS ON DRYING≤1.5%0.21%SULPHATED ASH≤0.1%(BP)≤0.3%(USP)0.03%ORGANIC VOLATILE IMPURITIESMeets the requirementsConformsASSAY(By C17H20N4O6,calculated on dried basis)97.0 103.0%(BP)98.0 102.0%(USP)99.90%CONCLUSIONConforms to the standard of BP2007&USP30

Delivery terms and packaging

Packaging Detail: PACKING SIZE :20KG/25KG NET FIBER DRUM10KG NET FIBER DRUM25KG NET FIBER DRUM25KG NET CARTONS Delivery Detail: Within one month
Port: shanghai

Payment term

Letter of credit

Telegraphic transfer

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    Дата события:

    12.10.2016 - 18.10.2016
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