Certified hplc filter ptfe syringe filter for hplc thermo fisher
ACP - Emissions of intermediate-volatility and semi-volatile
Samples were collected onto a PTFE filter (Cole-Parmer, 47 mm, 1.2 µ m pore size), directly placed on top of an SPE disc in a filter holder (Cole-Parmer, 47 mm, PFA) for 30 min at a flow rate of 6 L min −1, maintained by a mass flow controller (Alicat 0–20 L min −1) connected to a pump.
Stanford University
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MIT - Massachusetts Institute of Technology
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Nr. 1 Zahnimplantate
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Large Discrepancy in the Formation of Secondary Organic
Mar 01, 2021 · The filters were extracted twice, the extracts were combined and filtered with a Qmax PTFE hydrophobic (0.22 μm pore size, 13 mm syringe filter). The extracts were dried under a gentle nitrogen flow and reconstituted: first, in 200 μL of 10% acetonitrile in Milli-Q water (<0.05 μS/cm, Millipore) and transferred to a vial and second, in 200
CNN.co.jp : World
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