Product Name

: Vitamin K₁

Batch No.

: 20070822

Analysis Date

: Aug.22, 2007

Quantity

: Sample

Package

:5kgs/tin,10kgs/ctn.

Mfg. Date

:Aug.22,2007

Expiry Date

: Aug.21, 2009

Item  

Specification   

Result

Assay

97.0∼103.0 %

98.89%

Z Isomer

21.0% Max.

16.4%

Refractive Index

1.523∼1.526

1.526

Identification

A.   The infrared absorption spectrum of it exhibits max. only at the same wavelength as that of USP

phytonadione RS.

Conforms

B. The ultraviolet absorption spectrum of it exhibits max. and  min. at the same wavelength as that of USP phytonadione RS. and the respective absorptivities at the wavelength of max. absorptivities at about 248nm don't differ by more than 3%.

Reaction

It is neutral.

Conforms 

Menadione

No purple or blue color occurs after dropping it to the solution of

Ammonia hydroxide and alcohol.

Conforms

Reference Standard

: USP 28

Conclusion

: Conforms