INDUSTRIAL RAW MATERIALS

Industrial raw materials

INDUSTRIAL RAW MATERIALS

Sodium Tripoly Phosphate

三聚磷酸钠(STPP)

Sodium Tripoly Phosphate

分子式:Na5P3O10

Chemical formula:Na5P3O10

分子量:367.88

Molecular weight:367.88

执行标准:GB/T9983-2004 (工业级)             GB 25566-2010 (食品级)

Standard executed: GB/T9983-2004 (Tech grade)           GB 25566-2010 (Food grade)

性状:白色有光泽之微粒状或者粉末。

Property:Granule or White powder.

技术指标:Technical Specifications:

序号

No.

指标名称

Specifications

工业级

Tech grade

食品级

Food grade

1

   主含量                       % ≥

  Phosphorus pentoxide

57

57

2

  三聚磷酸钠Na5P3O10             % ≥

  Total content

94

94

3

   铁                         % ≤

   Fe

0.01

0.007

4

  水不溶物                       % ≤

   Water insoluble

0.1

0.05

5

  氯化物  % ≤

  Chloride, as CI

-

0.025

6

  重金属                       % ≤

   Heavy metal, as Pb

-

0.001

7

  砷                           % ≤

  Arsenic, as AS

-

0.0003

8

  1%水溶液PH值

  PH of 1% solution

9.2-10.0

9.5-10.0

9

  氟化物                   % ≤

  Fluoride(F)

-

0.003

10

  硫酸盐                      % ≤

  Sulphate

-

0.4

11

   白度

   Whiteness

90

85

 

用途:供合成洗涤剂配料。

Uses: Mainly used as synthetic detergent ingredient.

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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