Certificates
Group 2
Vitamin B2 (riboflavin)


Vitamin B2 (riboflavin)
Product Name
|
VITAMIN B2 |
Analysis Contents | Standard |
Appearance | Orange yellow crystalline powder |
Identification | Positive |
Acidity or alkalinity |
Check the color of the test solution after adding the respective solutions |
Lumiflavin | Absorbance of the filtrate at 440 nm does not exceed 0,025 (USP); not more intense than BY6 (EP/BP) |
Absorbance |
0,31 – 0,33 A373 nm/A267 nm 0,36 – 0,39 A444 nm/A267 nm |
Particle size | 100% passes through 60 mesh sieve |
Specific Rotation | Between -115° and -135° (EP/BP/USP) |
Loss on Drying | ≤ 1,5 % |
Heavy Metals Arsenic Lead Mercury Cadmium
|
< 10 ppm NMT 1 ppm NMT 1 ppm NMT 0,1 ppm NMT 1 ppm |
Residue of Ignition |
≤ 0,3 % (USP) ≤ 0,1 % (EP/BP) |
Residual Solvents |
Method IV <467> (USP) |
Assay (on dried basis) |
98,0 % – 102,0 % (USP) 97,0 % – 103,0 % (EP/BP) |
Certificates
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