Cov Tshuaj Tua Hluav Taws Xob

Cov neeg tsim khoom nyob rau hauv cov khoom ntxuav tais diav yog cov khoom xyaw feem ntau thiab feem ntau yog 15% rau 40% ntawm qhov muaj pes tsawg leeg. Qhov tseem ceeb ntawm tus tsim kev lag luam yog los tiv thaiv cov surfactant kom muaj txiaj ntsim zoo tshaj plaws los ntawm kev sib koom tes cov dej xaim uas muaj nyob hauv dej kom muag cov dej. Cov tshuaj hu ua phosphorus-containing or non-phosphorus detergent txhais tau hais tias tus neeg tsim khoom siv yog phosphorus-based lossis phosphorus-based material.