Пищевой 98% тетракалиевый пирофосфат (TKPP) для гальванического комплексирующего

Описание и отзывы

Трекер стоимости

Характеристики

Specifications:

 

1.Chemical Formula:K4P2O7

 

2.Molecular Weight:330.33

 

3.Characteristics:Potassium pyrophosphate,also known as pyrophosphate,4 K, colorless or white crystals, or white crystalline granular or powder. It is hygroscopic.The relative density of 2.534.Melting point 1109℃.Soluble in water,solubility 187g/100g water(25 ℃).Alkaline aqueous solution,1% aqueous solution of PH=10.2.Insoluble in ethanol.The properties are similar to other polyphosphate.

 

4.Technical Specifications:

 

 

No.	Specifications	Industrial Grade	Food Grade
1	Potassium pyrophosphate(K4P2O4)	≥ 98	≥ 98
2	PH of 1% water solution	10-10.5	10-10.5
3	Phosphorus pentoxide(P2O5)	≥ 42.2	≥ 42.2
4	Water insoluble	≤ 0.2	≤ 0.2
5	Heave metals(as Pb)	≤ 0.003	≤ 0.001
6	Chloride(as Cl)	≤ 0.005	≤ 0.001
7	Ferrum(as Fe)	≤ 0.01	≤ 0.003
8	Arsenic(as As)	≤ 0.005	≤ 0.0003
9	Orthophosphate	Qualified	Qualified

 

5.Function: Manily used for cyanide-free plating complexing agent,metal surface cleaning agent,dye,dispersant and buffer.

 

6.Package:Plastic knit bag,as per client's requirement. N.W is 25 kgs/bag or 50 kgs/bag.

 

7.Storage ways:storage in ventilated and dry place.

 

8.Lead time:7 working days after receiving the deposit.ship by sea/air etc.

 

9.Payment terms:discussing with the clients.