Papel filtro Grado390 , Discos Punto Verde 125mm. Cja/ 100 What Nº40
These 125 mm diameter slow filtering, green dot filter papers discs are used for quantitative and gravimetric analyses as well as for pressure or vacuum filtration. They are made out of 100% cotton linters with an a-cellulose content of >98 % and are acid-washed to make the papers ashless and achieve high purity.