Trisodium Phosphate (TSP)

Trisodium Phosphate (TSP)

 

Chemical Appearance:

Trisodium phosphate, abbreviated as TSP, is a crystalline substance that appears as a white, granular powder.

 

Applications:

Trisodium phosphate is actively utilized in various applications across different industries:

 

– Cleaning Agent: It serves as a powerful cleaning agent, commonly used in household cleaning solutions and industrial cleaners.

– Painting and Surface Preparation: Applied as a degreaser and surface preparation agent before painting, ensuring proper adhesion of coatings.

– Food Industry: Used as a food additive, particularly in certain food products, where it acts as a buffering agent and emulsifier.

– Water Treatment: Employed in water treatment processes to adjust pH levels and soften water.

– Textile Industry: Utilized in the textile industry for fabric dyeing and finishing processes.

– Metal Treatment: Applied in metal treatment processes, such as metal cleaning and phosphating.

– Tanning Industry: Used in the tanning industry during leather processing.

– Flux in Soldering: Acts as a flux in soldering applications to facilitate the soldering process.

– Photography: Historically used in photography as a developer.

 

Specification

 

inspection standard	manufacturer’s standard
inspecting item	Standard requirements	The measured results
content,%	≥98.5	98.7
surface	Colorless or white crystals	White crystallization
Clarification test / No	≤2	<2
free alkali,%	≤0.8	0.2
disodium salt,%	<0.3	0.1
Chloride (C1),%	<0.002	<0.002
Sulphate (S04),%	<0.005	<0.005
nitrogen pool (N),%	<0.001	<0.001
iron (Fe),%	≤0.0003	<0.0003
arsenic (As),%	<0.0001	<0.0001
Heavy metals (in Pb),%	<0.0005	<0.0005