Preparation: Instruments: Prepare a 721 spectrophotometer (or other spectrophotometers that meet the requirements), an electronic balance, a stoppered conical flask, a magnetic stirrer, a thermometer, a volumetric flask, etc.   Reagents: Polyacrylamide (HPAM) powder, determine its molecular we...

Yes, polyacrylamide (PAM) can be used in cosmetics, but you need to pay attention to its specific functions and safety specifications. The following is the key information of the comprehensive search results:   1. The role of polyacrylamide in cosmetics Moisturizing and film-forming: Polyacryl...

Polyacrylamide (PAM) has a variety of applications in slaughterhouse wastewater treatment, mainly including the following aspects:   1. Removal of suspended matter: Slaughterhouse wastewater contains a large amount of suspended matter. The use of PAM can form larger floccules, which promotes th...