![N-4-[(2-Amido-4-oxo-1,4-dihydro-6-terene)methylamino]benzoyl-L-glutamic acid;Vitamin B;Vitamin B11;Vitamin BC;Vitamin M;L-Pteroy](http://img.ecvery.com/photo/product443/1169433/product-n-4-2-amido-4-oxo-1-4-dihydro-6-terene-methylamino-benzoyl-l-glutamic-acid-vitamin-b-vitamin-b11-vitamin-bc-vitamin-m-l-pteroy.jpg)
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| Properties | Unit | Standard |
| - | = A white crystalline,with a sweet taste,freely soluble in alcohol | |
| Acidity or alkalinity | - | ≤ 6g sample 0.1mol/L,NaOH0.15ml |
| Water Content | % | ≤ 1 |
| Arsenic | ppm | ≤ 1 |
| Calcium | ppm | ≤ 200 |
| Lead in sugars | ppm | ≤ 0.5 |
| Chloride | ppm | ≤ 125 |
| sulphates | ppm | ≤ 200 |
| Appearance of solution | - | = Solution is clear and not more intensely colored than reference solution |
| Barium | - | = Any opalescence in solution is not more intense than in the standard |
| Sulphites | ppm | = 15 |
| Foreign sugars,soluble starch,dextrins | - | = Qualified |
| Sulphated ash | % | = 0.1 |
| Bacterium | Single/g | = 800 |
| Mildew | Single/g | = 80 |
| Coliform | - | = Should not be found |
D(+)-Glucose