Does anyone know about a protocol to detect the resistance/resistivity of a soil sample (clay and limestone)?

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Christian Buchmann

I have one Testing Method ( IS: 15736-2007) which is recommended by Sigma Soil testing center (http://www.sigmatest.org/Soil-Testing-India.html). But, as you can see, it is mainly for Indian standards. Nevertheless, maybe it can help you!

Greetings

Christian

Lauren Roeglin

Just to be clear, are you talking about the electrical resistance/resistivity of two soils and a rock type?

Shan Xu

Thanks, Christian. I'll read that to see if this method meet my need, and maybe I can make some changes to fit the EU standards.

Lauren, in fact, I have several samples. Some are clays or sand, or just a mix, and others are limestone. I'd like to mesure their electrical resistivity.

Rujun Chen

Hi, Shan Xu. I am studying the measurement of (complex) resistivity of these samples. And I design an instrument system to measure complex resistivity of samples of rock, soil, water, fluid, and so on. We made a lot of testings and measured the complex resistivity of sample sent by BGP. The input impedance of this instrument is great than 1 T ohms, about 1000 times of result shown in published data. It can make accurate measurement for sample, such as limestone, with ultra-high resistivity because of its ultra-high input impedance. Please don't hesitate to contact me if you need any help in measuring resistivity of rock and soil.