Hi,

I am interested in scanning analyte on filter membranes with Raman spectroscope. I found in literature that gold-coated polycarbonate filter membrane hardly emits any Raman signals but they are not availible anymore on gelifesciences.com. My question is if the black membranes are suitable replacement if I am using 532nm laser? The name of the membranes is Whatman Nuclepore Track-Etched Black Membranes (Product Name: Nuclepore Polycarbonate Black Membrane Filter, circle, 0.2 µm pore size, 47 mm).

Thank you in advance for you quick response and help!

Best regards,

Lara

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