Cytiva - Whatman 7184-004 Cellulose Nitrate Membrane Filter, Type WCN
0.45um pore size. 47mm diameter. White. For most routine applications involving particles and cells from 0.1-5.0um. Flexible membranes tolerate abuse during handling, loading, and autoclaving without sacrificing integrity. Low levels of extractables. Exact Match 28159-547

Cytiva - Whatman 1001-090 Grade 1 Filter Paper
9.0cm diameter. For a wide range of laboratory applications, liquid clarification, gas filtration, air pollution analysis, and soil analysis. Medium porosity. Medium flow rate. 11um particle retention. Exact Match 28450-081

GR615 Filter Paper Circles 100 Circles/PK. 100PK/CS. 15.00cm diameter circles. Qualitative High Purity Filter Paper. Fast filtration speed/abs. Weight 70g/m2 Thickness 0.26mm Herzberg 29sec/100ml Rapidity 235ml/min Capillary Rise 32mm Retention 25um Creped surface 70% cotton/30% wood fiber. Exact Match 38004-120

PAPER FILTER Qualitative High Purity Grade 613 11 cm circle 100/pk Exact Match 71440-010

Cytiva - Whatman 1001-150 Qualitative Filter Paper 180um
Qualitative Filter Paper Standard Grade 1, circle, Dimensions: 150mm, AirFlow rate:10.5 s/100 ml/in2, Ash Content: 0.06%, Basis Weight:88 g/m2, Burst Strength: 0.020 bar Wet Burst Exact Match 28450-150

GR615 Filter Paper Circles 100 Circles/PK. 50PK/CS. 25.00cm diameter circles. Qualitative High Purity Filter Paper. Fast filtration speed/abs. Weight 70g/m2 Thickness 0.26mm Herzberg 29sec/100ml Rapidity 235ml/min Capillary Rise 32mm Retention 25um Creped surface 70% cotton/30% wood fiber. Exact Match 71440-036

Cytiva - Whatman 1002-150 Grade 2 Filter Paper
15.0cm diameter. More retentive, slower, and more absorbent than Grade 1 Filter Paper by Whatman*. For general-purpose lab applications, monitoring specific contaminants in the atmosphere, and soil testing. Medium porosity. Medium flow rate. 8um particle retention. Exact Match 28455-142

Cytiva - Whatman 1002-090 Grade 2 Filter Paper
9.0cm diameter. More retentive, slower, and more absorbent than Grade 1 Filter Paper by Whatman*. For general-purpose lab applications, monitoring specific contaminants in the atmosphere, and soil testing. Medium porosity. Medium flow rate. 8um particle retention. Exact Match 28455-085

FILTER PAPER Glass Fiber Binderless Grade 111 11 cm circle 100/pk Exact Match 47745-784

Advantec MFS Inc.
Mfg Item # : N05B15.0CM
Advantec Quantitative Ashless Filter Papers are made from the highest quality alpha cotton cellulose. One critical step in the manufacturing process of these filter papers is acid washing. All grades are double acid washed in hydrochloric then hydrofluoric acid to reduce levels of SiO2, CaO, and Fe2O3. Following the acid wash, all papers are rinsed in ultrapure water to neutralize. Grade No. 4A Hardened is further treated with nitric acid. Following the acid wash, all papers are rinsed in ultrapure water to neutralize. Ash Content: 0.01% (except Grade No. 4A is 0.025%). Grade No. 3 Medium retention, fast flow rate paper with good chemical resistance and wet strength. Recommended for analysis of soils, fertilizers, cement, and minerals. Nominal Retention: 5 µm. Grade No. 5A Retains coarse and gelatinous ppt with high flow rates. Filter hydroxides, metalic aerosols, environmetnal monitoring, and determine silica content in steel. Nominal Retention: 7 µm. Grade No. 5B Retains medium size ppt such as CaCo3, PbSO4, AgCl. General purpose paper. Nominal Retention: 4 µm. Grade No. 5C High retention efficiency collecting fine ppt such as BaSO4 with slow flow rate. Gravimetric analysis and collecting particles that tend toward colloidal dispersion. Nominal Retention: 1 µm. Grade No. 6 Retains medium-fine particulates. Use for precision analysis of trace and precious metals, beverages, water. Nominal Retention: 3 µm. Grade No. 7 Highest purity paper for medium particulates. Fast flow rate. Recommended for precise gravimetric analysis of minute trace and precious metals. Nominal Retention: 4 µm. Grade No. 4A Hardened, smooth low ash paper with superior wet strength. Retains fine crystalline ppt with slow flow rate. Suitable for Buchner filtrations, high pressure, high chemical and pH resistance. Nominal Retention: 1 µm. Please Note: ALL Advantec items have a maximum 48 hour cancellation window. Any cancellations AFTER the 48 hour window will incur a restocking fee equal to the cost of the product.