Hartie de filtru Fisher Whatman 540, Ø 90 mm, filtrare medie, 100 buc
Whatman filter paper is made up of a series of sugar molecules linked together in a long chain which is commonly known as cellulose. Among all its type the alpha cellulose is
Hartie de filtru Fisher Whatman 540, Ø 90 mm, filtrare medie, 100 buc