麻烦谁给详细介绍下食用保水剂的化学成分以及学名?

2025-04-02 03:48:50
推荐回答(2个)
回答1:

三聚磷酸钠
  ●工业三聚磷酸钠
(STPP)
  英文名(Sodium
Tyipolyphosphate)
  分子式:Na5P3O10
  分子量:367.86
  性状:
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/cm
3
,
中密度
0.51-0.65g/cm
3
,
高密度
0.66-0.9g/cm
3
;
三聚磷酸钠有
I

(
高温型
)

II

(
低温型
)
两种结晶形态
,
二者化学性质相同
,
区别在于热稳定性和吸湿性
I
型高于
II

,
同时二者的溶解度
,
溶解时水合热量都不同。
  用
途:用作洗涤品助剂,亦可用于石油、冶金、采矿、造纸、水处理等。主要用作合成洗涤剂的助剂,用于肥皂增效剂和防止条皂油脂析出和起霜。对润滑油和脂肪有强烈的乳化作用,可用于调节缓冲皂液的PH值。工业用水的软水剂。制革---剂。染色助剂。油漆、高岭土、氧化镁、碳酸钙等工业中配制悬浮时作分散剂。钻井泥浆分散剂。造纸工业用作防油污剂。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。
  技术要求
  1.
外观:白色颗粒或粉状
  2.
工业三聚磷酸钠应符合下表要求(GB9983-2004)
  项目
指标
  优等品
一等品
合格品
  白度,%

90.0
85.0
80.0
  五氧化二磷(P2O5),%

57.0
56.5
55.0
  三聚磷酸钠(Na5P3O10)含量,%

96.0
90.0
85.0
  水不溶物含量,%

0.10
0.10
0.15
  铁含量(Fe),%

0.007
0.015
0.030
  PH值(1%溶液)
9.2-10.0
  颗粒度
通过1.00mm试验筛的筛分率不低于95%
  ●食品添加剂三聚磷酸钠
(STPP)
  分子式:Na5P3O10分子量:367.86
  规
格:符合QB1034-91;FCC(Ⅳ);
客户要求
  包
装:25Kg、50Kg内塑外编袋装;客户要求
  用
途:食品工业中主要用于肉类食品、肉类罐头、果汁饮料、奶制品、豆乳等作品质改良剂,个人护理,清洗用品添加剂
  技术要求
  1.
外观:白色粒状或粉状
  2.
食品添加剂三聚磷酸钠应符合下表要求(QB1034-91)
  项目
指标
  三聚磷酸钠(Na5P3O10)含量,%

95.0
  五氧化二磷(P2O5),%

57.0
  氟化物(以F计)含量,%

0.003
  砷(As)含量,%

0.0003
  重金属(以Pb计)含量,%

0.001
  氯化物(以Cl计)含量,%

0.025
  硫酸盐(以SO4计)含量,%

0.4
  水不溶物含量,%

0.05
  PH值(1%溶液)
9.5-10.0
  白度,%

85.0
  CAS
No.:
7758-29-4

回答2:

三聚磷酸钠等
用着改良剂、保水剂用于罐头,果汁饮料、肉制品、奶制品、面制品、豆制品。
电子级磷酸
复合磷酸盐
食品级磷酸
偏磷酸钾
聚偏磷酸钾
食品级焦磷酸钾
食品级三聚磷酸钾
食品级无水一钾
食品级无水二钾
食品级酸式焦磷酸钠
食品级六偏磷酸钠
食品级三偏磷酸钠
食品级三聚磷酸钠
偏磷酸钠
聚磷酸钠
食品级焦磷酸钠
三聚磷酸钾钠
超聚磷酸盐
食品级无水一钠
食品级无水二钠
http://www.21food.cn/offerdetail/591115.html

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