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Qualitative Grade Filter Paper Circles
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VWR Brand Grade #415Porosity: CoarseFlow Rate: FastParticle Retention: 25ìmApplications: For coarse precipitates. Ideal for Al(OH)3, CoCO3, Hgl2, Mg(OH)2, etc.Whatman Grade #1Porosity: MediumFlow Rate: MediumParticle Retention: 11ìmApplications: General purpose paper. Ideal for gas filtration, air pollution analysis & soil analysisVWR Brand Grade #410Porosity: FineFlow Rate: SlowParticle Retention: 1ìmApplications: For analytical operations involving filtration of CuCO2, PbSO4, BaSO4, MnCO3, etc.

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