Addition of etchant solution to the medium removed extracellular Ag. Where indicated, nuclear stain Hoescht (Invitrogen) was added to the media before epifluorescence imaging. Antibodies used were ...

Two methods of applying the etchant were used: either rubbing the etchant on with a sponge, or immersing the boards in a bath of the etchant being tested. In terms of speed, ferric chloride was by ...

In liquid form, it is more expensive to ship, although you can get it in dry form. Another common etchant is ammonium or sodium persulphate. There’s also a variety of homemade etchants using ...

This typically involves immersing the sample in an etchant such or swabbing the surface with an etchant. The etchant selectively corrodes microstructural features. Immersion time or etching time is ...

Development, implementation, and analysis of university-scale copper recovery from acidic cupric chloride etchant waste from the printed circuit board manufacturing laboratory Students will begin by ...