pH, conductivity, concentration and absorbance were monitored of the supernatant with the pH meter (Hanna 210), Conductometer (EYLA
), Atomic Absorption Spectrophotometer (AA Analyst 800, Perkin Elmer, USA) and liv- visible spectrometer (TJV-160A, SHIMADZU, Japan) with a resonance of 254.0 and 436.0 nm respectively .
Survivors include his wife; two sons, Bruce of Chattanooga, Tenn., and Brian of Columbus, Kan.; three daughters, Colleen Bush of Keizer, Gloria Holt of Junction City and Renee Phillips of Great Falls, Mont.; a brother, Jack of Grand Junction, Colo.; four sisters, Maxine Davis of West Lake, Fla., Eyla
Welborn of Clifton, Colo., Hazel Scott of Libby, Mont., and Betty Trevena of Salem; and 17 grandchildren.