1. <strong id="4kjng"></strong>
      

      1. <strong id="4kjng"><dl id="4kjng"></dl></strong>
        1. Contact Us
          Search
          Your Position: Home > Product > Sodium phosphates

          Tetrasodium pyrophosphate

          Update: 2013/10/14 View:
          •    
              Order Online   Add to favorites
          Introduction
           

          Chemical Name:

          Tetrasodium pyrophosphate

          Molecular Formula:

          Na4P2O7

          Molecular Weight:

          265.90

          CAS:

          13472-36-1

          Character:

          Colorless clear crystal or white crystalline powder. The relative density is 2.534 and melting point is 880°C. It easily soluble in water and insoluble in ethanol. It will weathering in dry air and lose crystal water under 100°C. It easily absorbs water to deliquesce in air.

          Uses:

          It is used as quality improver, regulator of PH value, chelate agent, emulsifier and binder in food industry. It also is used in the processing of meat and aquatic product.

          Packing:

          It is packed with polythene bag as the 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 ventilative warehouse, kept away from water and moisture during transport. Unload with care as to avoid being damaged. Furthermore, it must be stored separately from poisonous substances.

          Quality index:

           Name of index

           GB25557-2010

          FCC-V

          Content Na4P2O7    %

          96.5-100.5

          95.0-100.5

          Water Insoluble    ≤%

          0.2

          0.2

          PH (1% aqueous solution) 

          9.9-10.7

          -

          Arsenic (As)    ≤%

           0.0003

          0.0003

          Heavy Metal (as Pb)   ≤%

          0.001

          -

          Fluoride (as F)   ≤%

          0.005

          0.005

          Loss on drying    ≤%

          0.5

          0.5

          Orthophosphate

          pass test

          -

          Pb   ≤%

          0.0004

          0.0004

          国产欧美日韩综合视频专区,99精品国产热久久,国产又色又刺激在线视频,丰满少妇无码在线观看
          1. <strong id="4kjng"></strong>
            

            1. <strong id="4kjng"><dl id="4kjng"></dl></strong>