Drinking Water Grade Polyaluminium Chloride Liquid

Polyferric Sulfate (PFS), as a new inorganic polymer coagulant, has attracted much attention for its excellent water purification effect since it was developed abroad in the 1970s. It has been developed in China since the mid-1980s and has been widely used in various water treatment fields. However, with the increase of polyferric sulfate products on the market, their quality is also uneven, and the price difference is significant. Starting from several key quality parameters, this paper will introduce how to judge the quality of polyferric sulfate, and give examples for each parameter.   1. Color   Color is one of the most intuitive ways to judge the quality of polyferric sulfate. High quality polyferric sulfate usually appears golden or red in an aqueous solution. For specific operation, you can take a glass, add about 100 ml of water, and then drop two or three drops of polyferric sulfate solution. Observe the color of its diffusion, if the color is bright and uniform, gol…

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