Proton mag fluids

[nrgbentall]

Has anyone done any test involving the sensitivity of different fluids to detect iron objects not just polarization time

I am currently trying to compare distilled water and parafin and thinking about buying some dodecane as very high in hydrogen any advise

Thanks
Nick

[Boattow]

A proton mag doesn't detect anything. It measures the magnetic field strength that the sensor is subjected to.
Boattow

[nrgbentall]

I am aware how a mag works but still find it interesteing if different solutions within the head allow for different values of sensitivity.

Anyone else have any advise

[Willy Bayot]

Hi,

I am afraid you will not see any measurable change in sensitivity by using various fluids.
If there is any, it will be lost in the noise level.
Parafin (I guess what we call Kerosene in Europe) is not a good choice as it is not a pure product, it is a awful mix of many elements in various quantities.
Methyl or Isopropyl Alcohols are good fluids, usually very pure. They accept to give good SNR with short polarization durations. We routinely use Isopropyl alcohol and polarization duration of 600msec which gives us a net reading rate of slightly more than one per second.

Willy