三聚磷酸鈉 SODIUM TRIPOLYPHOSPHATE
一、化學名:三聚磷酸鈉
二、分子式:Na5P3O10
三、分子量:367.86
四、CAS:7758-29-4
五、性能:白色粉末 , 熔點 622 ℃ , 易溶于水 , 對鈣鎂等金屬離子有顯著的螯合能力,能軟化硬水 , 使懸浮液變成溶液 , 有弱堿性 , 無腐蝕性 , 是一種無機物表面活性劑 , 對潤滑油和脂肪有強烈的乳化作用 , 堆密度通常分為低密度 0.35-0.5g/cm3 , 中密度 0.51-0.65g/cm3 , 高密度 0.66-0.9g/cm3。
六、用途: 食品工業中用于罐頭 , 果汁飲料 , 奶制品 , 豆乳等的品質改良劑 , 主要供火腿罐頭嫩化 , 蠶豆罐頭中使豆皮軟化 , 亦可用作軟化劑和增稠劑。
七、包裝:內襯聚乙烯塑料袋,外套塑料編織袋,每袋25Kg。
質量指標 | Specification | GB25566-2010 |
三聚磷酸鈉主含量(以Na5P3O10計) ,w/% ≥ | Assay Na5P3O10 | 85.0 |
總磷酸鹽(以P2O5計), w/% | P2O5 | 56.0~58.0 |
水不溶物,w/% ≤ | Insoluble In Water | 0.1 |
重金屬(以Pb計),mg/kg ≤ | Heavy Metals (as Pb) | 10 |
鉛(Pb),mg/kg ≤ | Lead | 4 |
砷(As),mg/kg ≤ | Arsenic(As) | 3 |
氟化物(以F計),mg/kg ≤ | Fluoride (F) | 50 |
1、Chemical Name: SODIUM TRIPOLYPHOSPHATE
2、Molecular Formula : Na5P3O10
3、Molecular Weight: 367.86
4、CAS: 7758-29-4
5、Character: White powder, surface density: 0.35-0.9g/cm3, melting point:622℃, free soluble in water, aqueous solution appears acid. It is a kind of inorganic surface active agent.
6、Usage: In foodstuff industry it is used as quality improver in the process of canned food, fruit juice drinks, foodstuffs milk soybeans. It may tender the meat in canned ham soften the skin of horse bean in canned horse bean. It may also serve as a softener densifier in foodstuff industry.
7、Packing: It is packed with polythene bag as the inner layer, a compound plastic woven bag as the outer layer. The net weight of each bag is 25kg.
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