Product Details

Product:                            Pullulan Standard
 
 
Structure description:      Linear 1,4:1,6-a-D-glucan.
 
                            
 
                            
 
 
Properties:              Appearance: white powder, odorless
                                    Starch: not detected (n.d.)
                                                Protein: n.d.
                                                Moisture: < 3%
                                                Arabinoxylan: < 0.5%
                                                Ash: < 0.5%
                                                Molecular weight: 1,000,000D
                                                pd: 1.1
                                                Water-solubility: water soluble.
 
 
Method of  dissolution ( in water):
          
           1   Measure a specified amount of standards in a sample bottle;
           2   Add distilled water and dissolve it for 10 mins, stir the water gently until they dissolve
                homogeneously with the wate
           3   The solution is then allowed to cool to room temperature and adjusted to your  concentration
 
  
Storage: 
      1.   Store dry at room temperature in well sealed containers. Under these conditions, the product is stable for several years.
           2.   When in a liquid state, keep it in a refrigerator at 4. If filtrated with a 0.45 μm filter and added 0.02 wt% sodium azide as an antiseptic, it can be preserved at 4℃ for 2 months.