To provide a method for measuring the concentration of insulating matter particles such as sand, plastic particles, air bubbles, etc. floating in an aqueous solution.
A pair of electrodes A and B are provided in the aqueous solution W being a measuring target in order to measure the concentration of the volume ratio of the insulating matter particles (d) floating in the aqueous solution W. When the electric resistance value between the electrodes A and B as no insulating matter particles (d) remain afloat in the aqueous solution W and the concentration D of the insulating matter particles (d) is 0 is set to R0, the concentration D when the electric resistance value across the electrodes A and B is set to infinity is set to 1 and the electric resistance value across the electrodes A and B in a state that the insulating matter particles (d) floats in the aqueous solution W is set to R, the concentration D in the state that insulating matter particles (d) float in the aqueous solution W is calculated as D=1-R0/R.
| JPS5543849B2 | 1980-11-08 | |||
| JPH07190928A | 1995-07-28 | |||
| JP2002005742A | 2002-01-09 | |||
| JPH08297108A | 1996-11-12 | |||
| JP2001525071A | 2001-12-04 |
Michito Hiraki
Sanji Tanabe