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    Your Position: Home > Product > Potassium phosphates

    Dipotassium phosphate

    Update: 2013/10/14 View:
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    Introduction
     

    Chemical Name:

    Dipotassium phosphate

    Molecular Formula:

    K2HPO4, K2HPO4· 3H2O

    Molecular Weight:

    anhydrous: 174.18; trihydrate: 228.18

    CAS:

    anhydrous: 7758-11-4; trihydrate: 16788-57-1

    Character:

    It’s colorless or white square crystal granule, easily deliquescent, alkaline, insoluble in ethanol. PH value is about 9 in 1% aqueous solution.

    Uses:

    In food industry, it is used as buffering agent, chelating agent, yeast food, emulsifying salt, synergistic agent of anti-oxidation.

    Packing:

    It is packed with polyethylene bag as inner layer, and a compound paper-plastic woven bag as the outer layer. The net weight of each bag is 25kg.

    Storage & Transportation:

    It should be stored in a dry and ventilating warehouse. Be cautious to keep away from moisture and hot; unloaded with care, so as to avoid the damage. Furthermore, it should be stored separately from poisonous substances.

    Quality index:

    Name of index

    GB 25560-2010

     FCC-V

    Appearance

    White Or Crystalline Powder

    --

    Content (on dried material)    ≥%

    98.0

    98.0

    Water-insoluble       ≤%

    0.2

     0.2

    Arsenic (As)          ≤%

    0.0003

    0.0003

    Fluoride (as F)        ≤%

    0.001

    0.001

    Loss on Drying        ≤%

    1.0

     1

    Pb                  ≤%

    0.0002

     0.0002

    Heavy Metals (as Pb)   ≤%

    0.001

    --

    P2O5                ≥

    51.17

    --

    K2O                ≥

    33.87

    --

    PH Value

    4.2-4.7

    --

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