Welcome to the SILVA rRNA database project A comprehensive on-line resource for quality checked and aligned ribosomal RNA sequence data. SILVA provides comprehensive, quality checked and regularly updated datasets of aligned small (16S/18S, SSU) and large subunit (23S/28S, LSU) ribosomal RNA (rRNA) sequences for all three domains of life (Bacteria, Archaea and Eukarya).

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Find Biopore Membrane Filter roll, Hydrophilic PTFE and related products for scientific research at MilliporeSigma Research. Development. Production. We are a leading supplier to the global Life Science industry with solutions and services for research

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2013/7/2 · COMPATIBILITY CHEMICAL COMPATIBILITY Chemicial Compatibility Guide The following information is intended to be used as a general guideline for pump material selection. The information accuracy of these ratings cannot be guaranteed, nor is it a complete list

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Milliseal Membrane Seal, PTFE, 18 mm. Product Number. Product Description. SDS. FWMS01800. This is a 18 mm Hydrophobic PTFE Membrane Filter with a 0.45 micron pore size. For use in Sterilizing filtration, bioassays, solvent filtration.

Product Description. SDS. PM2547050. PTFE membrane, The PTFE Membrane for PM2.5 Particle Monitoring is a filter disc used in conjunction with PM2.5 Environmental Monitoring equipment., hydrophobic, pore size 2.0 μm, white filter, plain filter.