Potassium pyrophosphate TKPP

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Time：2018-04-09 22:12:57

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Detailed introduction：

Detailed introduction:

Molecular Formula:K4P2O7
Molecular Weight: 330.33

Executive Standard: HG/T 3591-1999

Physicochemical properties: white powder; relative density 2.534; melting point 1109oC; soluble in water, insoluble in ethanol; aqueous solution is basic; solubility in 100g water at 25oC is 187g; potassium pyrophosphate has all the properties of other condensed phosphates.

Technical indicators:

No.	specification		Industrial grade	Gifted class
1	Main content	%≥	98.0	98.0
2	iron	%≤	0.03	0.03
3	pHvalue(1%aqueoussolution)		10.0-10.7	10.0-10.7
4	Heavymetal,measuredinPb	%≤	-	0.001
5	Arsenic,calculatedasAs	%≤	-	0.0003
6	Fluoride, in F	%≤	-	0.003
7	Waterinsolublematter	%≤	0.1	0.1

Uses: Mainly used in non-cyanide electroplating, instead of sodium cyanide as electroplating complexing agent. Also used as a plating pretreatment agent and pyrophosphate plating solution. Formulations for laundry detergent components, metal surface cleaners and bottle detergent components, and various detergent additives. Used as a clay dispersant in the ceramic industry, dispersants and buffers for pigments and dyes. The bleaching and dyeing industry is used to remove a small amount of ferric ions in the water and improve the dyeing quality.

Packing: Inner plastic outer knitting, 25kg net weight.

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