三聚磷酸钠 SODIUM TRIPOLYPHOSPHATE
一、化学名:三聚磷酸钠
二、分子式:Na5P3O10
三、分子量:367.86
四、CAS:7758-29-4
五、性能:白色粉末 , 熔点 622 ℃ , 易溶于水 , 对钙镁等金属离子有显著的螯合能力,能软化硬水 , 使悬浮液变成溶液 , 有弱碱性 , 无腐蚀性 , 是一种无机物表面活性剂 , 对润滑油和脂肪有强烈的乳化作用 , 堆密度通常分为低密度 0.35-0.5g/cm3 , 中密度 0.51-0.65g/cm3 , 高密度 0.66-0.9g/cm3。
六、用途: 食品工业中用于罐头 , 果汁饮料 , 奶制品 , 豆乳等的品质改良剂 , 主要供火腿罐头嫩化 , 蚕豆罐头中使豆皮软化 , 亦可用作软化剂和增稠剂。
七、包装:内衬聚乙烯塑料袋,外套塑料编织袋,每袋25Kg。
质量指标 | Specification | GB25566-2010 |
三聚磷酸钠主含量(以Na5P3O10计) ,w/% ≥ | Assay Na5P3O10 | 85.0 |
总磷酸盐(以P2O5计), w/% | P2O5 | 56.0~58.0 |
水不溶物,w/% ≤ | Insoluble In Water | 0.1 |
重金属(以Pb计),mg/kg ≤ | Heavy Metals (as Pb) | 10 |
铅(Pb),mg/kg ≤ | Lead | 4 |
砷(As),mg/kg ≤ | Arsenic(As) | 3 |
氟化物(以F计),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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