Filter Paper, Lab Supplies, Whatman Filter Paper

Filter papers come in a broad range of glass fiber, qualitative and quantitative types for all needs. The success of any laboratory filtration depends upon the correct choice of filter paper. Lab Depot offers a wide range of grades to meet all of your particular filtration needs, with the optimum combination of two important features: retention and flow rate. To assist you in choosing the correct filter products, we offer the following guidelines: Glass Fiber Filters For filtration of precipitated proteins, cells, cell debris; for dissolved and suspended solids testing in sanitary water analysis procedures; and monitoring specific pollutants. Retention(µm) FlowRate Porosity Grade No. 1.6 Fast Fine 691 1.3 Fast Fine 693 1.2 Fast Fine 696 Qualitative Papers For general laboratory work and analytical operations involving filtration of chemicals, gelatinous, and coarse precipitates. Retention(µm) Flow Rate Porosity Grade No. 40 Fast Coarse 417 25 Fast Coarse 415 25 Fast Coarse 315* 5 Medium Medium 413 5 Medium Medium Fine 313* 1 Slow Fine 410 *Folded, Fluted Circles Quantitative Papers Suitable for general quantitative analysis. These grades are useful for both coarse and fine as well as gelatinous precipitates. Retention (µm) Flow Rate Porosity Grade No. 10 Medium Fast Medium 454 5-10 Medium Flow Medium Fine 474 1 Slow Fine 494

Filter Paper Product #: FPR007-B		Filter Paper, Grade No. 1 Product #: 28450-106		Glass Fiber Filters Product #: 28297-976-P		Glass Microfiber Filters Product #: LD-A2100
from $5.35		from $5.77		from $13.11		from $8.72
Glass Microfiber Filters, 934-AH Product #: LD-AH2100		Grade 313, Fluted Circles, Folded, Qualitative Product #: 28333-021		Grade 315, Crepe Fluted Circles, Folded, Qualitative Product #: 28331-026		Grade 410 Filter Paper, Qualitative Product #: 28297-830
from $12.07		from $47.69		from $48.16		from $4.72
Grade 413 Filter Paper, Qualitative Product #: 28309-989-P		Grade 415 Filter Paper, Qualitative, Crepe Product #: 28320-019		Grade 417 Filter Paper, Qualitative, Crepe Product #: 28297-868		Grade 454 Filter Paper, Quantitative Product #: 28306-051
from $3.72		from $4.47		from $3.78		from $12.46
Grade 474 Filter Paper, Quantitative Product #: 28297-954		Grade No. 43 Quantitative Filter Paper, Ashless Product #: 28481-295		Grade No. 494 Filter Paper, Quantitative Product #: 28297-938
from $14.24		from $35.36		from $12.63

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Filter Paper