Sodium Citrate (Food Additives)
Formula：Na3C6H5O7·2H20
Molecular：249．10
Specificity：Colourless or white crystaIline granuIe or crystaIline powder odourless;taste,saIty and acid;solubIe in water,diIffIicuIity in ethanoI;sIightIy deliquescence in moist air,PH7．6－8．6 in 5% agueous soIution,when heated to 150℃,it may lose crystal water.
Quality standard：
Name of index | Bp93 | FCC-IV |
Appearance | Colorless or white crystal or crystalline |
Identification Test | - | Accord with the test |
Content(Na3C6H5O7·2H20),% | 99.0-101.0 | 99.0-100.5 |
Acidity and Alkalinity | 0.2 | Accord with the test |
Sulphates,≤% | 0.015 | - |
Heavy metal(As Pb),≤% | 0.001 | 0.001 |
Oxalate,≤% | 0.03 | - |
Easy carbonify substance | Accord with the stipulatioin | - |
Chioride,≤% | 0.005 | - |
Loss on drying,% | 11.0-13.0 | 10.0-13.0 |
Uses：In food processing industry,it is used as buffer, cheIate agent, nutrient additive,emulsifier,fIavor for yoghurt．In pharmaceuticaI industry,it is used as anticoaguIant and as preservative in syrup manufactured goods,buffer acidity acid in cold drink,prevent acid in dairy products,used as binder in cheese and minced meat, acid coaguIant in jeIlies and jam,emuIsifier and stabiIizer, in cheese and ioe cream.
Packing：It is packed with poIyethylene bag as Iiner and a compound pIastic woven bag as the outer Iayer．The net weight of each bag is 25kg.
Storage and transport：Kept in tightIy－closed containsrs,it should be stored in a dry and ventiIative warehouse,kept away from moistrue and hot,furthermore,it shuoId be sctored separateIy from poisonous substances. HandIed with care,so as to avoid damage to bags.
