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1442-090 Whatman 1442-090 Quantitative, Ashless High-quality cotton linters Filter Paper 2.5 µm, 90 mm (100/Pack) Ohaus Scale, Magnetic Stirrer, Vortex Mixer, Sample Prep, Centrifuge
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Whatman® Prepleated Qualitative Filter Paper, Grade 1V circles, diam. 15 cm, pack of 100 | Sigma-Aldrich
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