No. 5B Quantitative Filter Paper, 4.7cm diameter, 100/pack
4.7cm, No.5B Quantitative Filter Paper, 100/pack
Conversion: Whatman 40; S & S 589 White
General purpose paper. Double acid washed paper for retaining medium size (5-10µm) precipitates (CaCO3, PbSO4, CaCO4, MnCO3, ZnCO3, ZnS, AgCl)