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Sodium Acid Pyrophosphate

酸式焦磷酸钠(SAPP)

Sodium Acid Pyrophosphate

化学式：Na2H2P2O7

Chemical formula：Na2H2P2O7

分子量:221.95

Molecular weight：221.95

Standard executed: GB 25567-2010

执行标准:GB 25567-2010

性状：白色粉末或者白色颗粒，相对密度1.86克/厘米，溶于水，不溶于乙醇，水溶液与稀无机酸加热则水解成磷酸，有吸湿性，吸水后形成六个结晶水合物，加热至220℃.以上时候分解成磷酸钠。

Property: white powder of granular, Relative density 1.86g/m. Soluble in water and insoluble in ethanol. If its aqueous solution is heated together with diluted inorganic acid,it will be hydrolyzed into phosphoric acid. It is hydroscopic, and when absorbing humiditry it will become into a product with hexahydrates. If it is heated at a temperature above 220℃., it will be decomposed into sodium meta phosphate.\

技术指标： Technical Specifications:

序号

No

指标名称

Specifications

食品级

Food grade

1

  主含量

  Main content                             %≥

93.0-100.5

2

  五氧化二磷

   P2O5                                                       %≥

63.0-64.0

3

  PH值

  （PH of 1% solution） 

3.5-4.5

4

   水不溶物

   Water insoluble                           %≤

1.0

5

  铅

   Lead (As Pb)                            %≤

0.0002

6

  砷

  Arsenic as ( As )                          %≤

0.0003

7

  重金属

  Heavy metals as (Pb)                        %≤

0.001

8

  氟化物

  Fluorides (F)                              %≤

0.005

用途： 用作发酵剂，用于烘烤食品，控制发酵速度。用于方便面，缩小成品复水时间，不念不烂, 用于饼干糕点，缩短发酵时间，降低产品破损率，疏松空隙整齐，可延长储存期。

Uses: As a leavening agent it is applied to roast foodstuffs to control the fermentation speed ,food .

包装：内塑外编，每袋净重25 Kg、 50Kg 、1000Kg，贮于通风干燥处。

Packing：Plastic woven bag. Net weight 25 Kg、 50Kg 、1000Kg , store at a cool, dry and well ventilated place

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