Quantitative filter paper, Grade 589/3, circles Slow < 2µm. Blue ribbon. -for very fine precipitates and small particles -for soil analysis -for BaSO4 (hot precipitate), PbSo4, Cu2O, ZnS, NiS -Weight: 84g/m2 -Thickness: 0.16mm
Product Specification: Diam.: 150mm
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