What are the main types of wollastonite The main types of wollastonite include the following:

Mainly including the following aspects:

Photography industry: sodium thiosulphate is used as a fixative to fix images. After exposure and development of photographic film or paper, unexposed silver halide needs to be removed. Baking soda reacts with unexposed silver halide to form soluble silver complexes, which are then removed to fix the image.

Paper industry: During pulp bleaching, sodium thiosulphate is used as a dechlorination agent to remove chloride ions from pulp.

Printing and dyeing industry: sodium thiosulphate is used as a dechlorination agent for bleached cotton fabrics to remove chloride ions generated during the bleaching process. In addition, it is also used as a sulfur dye for dyeing knitted fabrics and an anti whitening agent for indigo dye.

Electroplating industry: sodium thiosulphate, as an additive in electroplating solutions for silver and copper plating, plays a role in stabilizing the electroplating solution.

Water treatment: sodium thiosulphate is used to remove chlorine and chloramines from water, preventing excessive chlorine from corroding pipelines and equipment. It can also remove heavy metal ions and certain harmful substances from water, ensuring the safety and cleanliness of water quality.

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