Measuring Surface pH and Conductivity Using Water Drop and Agarose Plug Methods

Conservator Chris Stavroudis demonstrates how to use an Agarose plug to measure the surface conductivity and pH of a painted surface with a drop of water and an agarose plug.
This video was developed in 2013 for the Getty Conservation Institute workshop Cleaning of Acrylic Painted Surfaces (CAPS). Visit the CAPS website: bit.ly/2OendAk

[@grajo686]

Thanks!

[@ViLLiJa]

But what was the pH reading in the end? was it different from the first one?

[@nirmal2111]

Can you share link to buy the punch with ejector? I am not able to find one with ejector. Thank you.

[@KK-nj8nb]

nice!