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VWR Grade 413 Filter Paper Qualitative 5.5cm diameter. For routine lab work. Suitable for student requirements in general chemistry. Suitable for filtration of aluminum phosphate barium carbonate lead chromate and more. Medium porosity. Medium flow
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VWR Grade 454 Filter Paper Quantitative 5.5cm diameter. Retention of zirconium hydroxide aluminum hydroxide cobalt sulfide and other coarse or gelatinous precipitates. Medium porosity. Medium Fast flow rate. 10um particle retention.
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VWR Grade 415 Filter Paper Qualitative Crepe 5.5cm diameter. Good for coarse precipitates such as aluminum hydroxide cobalt carbonate mercury iodide magnesium hydroxide and more. Coarse porosity. Fast flow rate. 25um particle retention.
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