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Filtration

See our selection of laboratory filtration supplies; filters, membranes, syringes, nitrocellulose and more.

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  1. Whatman Qualitative Filter Paper, Grade 4, 18.5cm dia., PK100

    Ge Healthcare (Whatman)

    $62.00

    Special Price $46.99

    These cellulose filters are used in qualitative analytical techniques to determine and identify materials and for clarifying liquids. Particle Retention: 25┬Ám Porosity: Coarse Filtration speed: Herzberg, 37 sec. Surface: smooth Extremely fast filtering with excellent retention of coarse particles and gelatinous precipitates such as ferric hydroxide and aluminum hydroxide Useful as a rapid filter for routine clean-up of biological fluids or organic extracts during analysis Learn More
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