抄録
The HPLC analysis using gel chromatography with a small amount of dissoluble material sample in tap water has revealed 1) that specific chromatograms of all the dissoluble materials can be obtained by developing tap water with distilled water by use of the RI detector 2) that the concentration of total residue substances C can be obtained from the equation ; C (mg·l-1) = 5.21 RI (×10-6) when tap water is measured direct with the RI detector not using a column and 3) that specific chromatograms of fulvic acid and chlorinated fulvic acid that are contained in tap water can be obtained by developing tap water with 0.2mol·l-1 sodium sulfate solution by use of the FL detecter.