Su-Cheng Pai

  • Su-Cheng Pai

    Distinguished Professor

  • Tel 1： +886-2-33661378
  • Tel 2： +886-2-23627358
  • Fax：
  • E-mail 1： scpai@ntu.edu.tw
  • E-mail 2：
  • Website： http://140.112.68.193
  • Research Room： Room 308, Institute of Oceanography
  • Field： Chemical Oceanography Environmental Analytical Chemistry Trace Element Analysis
  • Academic Background：
    • 1971-1975 B.Sc. in Oceanography, Provincial Taiwan College of Marine Science and Technology, Keelung, Taiwan
    • 1977-1981 Ph.D. in Oceanography, The University of Liverpool, England.

      • Employment

    • 1981-1983 Visting Associate Professor, Department of Oceanography, National Taiwan College of Marine Science and Technology, Keelung, Taiwan.
    • 1983-1986 Associate Professor, Department of Oceanography, National Taiwan College of Marine Science and Technology, Keelung, Taiwan.
    • 1986-1989 Associate Professor, Institute of Oceanography, National Taiwan University, Taipei, Taiwan.
    • 1989-present Professor, Institute of Oceanography, National Taiwan University, Taipei, Taiwan.
    • 1989-1991 Adjunct Professor, Department of Oceanography, National Ocean University, Keeuing, Taiwan.
    • 1992-1993 Chairman, Chemical Oceanography Division, Institue of Oceanography, National Taiwan, University, Taipei, Taiwan.
    • 2001-2003 Chairman, Chemical Oceanography Division, Institue of Oceanography, National Taiwan, University, Taipei, Taiwan.Chairman,
  • Research Achievements/Publications：
    • Pai, S. C.*, Su, Y. T., Lu, M. C., Chou, Y. L., Ho, T. Y. (2021) Determination of Nitrate in Natural Waters by Vanadium Reduction and the Griess Assay: Reassessment and Optimization. ACS ES&T Water, 1(6), 1524-1532.
    • Yang, Y. J., Wen, C. C., Huang, P. Y., Wang, C. Y., Chu, K. S., Pai, S. C.* (2020) Verification of the internal tide off Zhiben coast, Taitung, southeast Taiwan. Terrestrial, Atmospheric and Oceanic Sciences, 31(1), 77-83.
    • Pai, S. C., Jan, S., Ho, T. Y., Liu, J. Y., Chu, K. S., Lee, W. H., Wang, C. Y., Huang, P. Y., Hsu, H. Y., Yang, Y. J. (2017) Using major nutrient concentrations to derive vertical movement of water masses in the coastal region of eastern Taiwan. Journal of Oceanography, 73(6), 711-723.
    • Lin, K. N., Ma, J., Pai, S. C., Huang, Y. M., Feng, S. C., Yuan, D. X. (2017) Determination of Nitrite, Phosphate, and Silicate by Valveless Continuous Analysis with a Bubble-Free Flow Cell and Spectrophotometric Detection. Analytical Letters, 50 (3), 510-529.
    • Pai, S. C., Wei, C. L., Lin, S., Wen, L. S., Tseng, C. M. (2016) Observation of internal tide-induced nutrient upwelling in Hungtsai Trough, a submarine canyon in the northern South China Sea. Continental Shelf Research, 120, 59-67.
    • Pai, S. C.*, Jan, S., Chui, K. S., Huang, P. Y., Takahashi, M. M. (2015) Kuroshio or Oyashio - Sources of the 700 m deep ocean water off Hualien coast, eastern Taiwan. Deep Ocean Water Research, 15(3), 1-10.
    • Pai, S. C.*, Wang, T. Y., Fang, T. H., Jiann, K. T. (2015) Effect of Heating on the Color Formation Reaction in the Murphy and Riley Method for the Determination of Phosphate in Natural Waters. Environmental Analytical Chemistry, 2(3), 1000139.
    • Ho, T.Y., You, C.F., Chou, W.C., Pai. S.C., Wen, L.S., Sheu, D.D. (2009) Cadmium and phosphorus cycling in the water column of the South China Sea: The roles of biotic and abiotic particles. Marine Chemistry, 115(1-2), 125-133.
    • Lin, S.H., Yu, T., Pai. S.C. (2009) Interpretation on Band-broadening in Chromatography with Spatial Peak Profiles Obtained Using Whole-column Detection. Journal of the Chinese chemical society, 56(3), 480-484.
    • Wei, C.L., Chou, L.H., Tsai, J.R., Wen, L.S., Pai, S.C. (2009) Comparative geochemistry of 234Th, 210Pb, and 210Po: a case study in the Hung-Tsai Trough off southwestern Taiwan. Terrestrial Atmospheric and Ocean Sciences. 20(2), 411-423.
    • Lin, S.H., Chang, K.C., Chen, Y.C., Yu, T., Pai, S.C. (2009) Examination of the temporal effect in a flow injection analysis system using multi-channel absorbance detection. Journal of Chromatography A, 1216, 21, 4618-4624.
    • Wei, C.L., Tsai, J.R., Wen, L.S. , Pai, S.C., Tai, J.H. (2009) Nearshore scavenging phenomenon elucidated by 234Th/238U disequilibrium in the coastal waters off western Taiwan. Journal of Oceanography, 65, 137-150.
    • Lin, S.H., Yu T., Sheu, A., Yang, D.J., Pai, S.C. (2008) Peak crossover in high-performance liquid chromatography elution monitored using whole-column detection. Journal of Chromatography A., 1201, 128-131.
    • Wang, J.T., Chen, M.H., Lee, H.J., Chang, W.B., Chen, C.C., Pai, S.C., Meng, P.J. (2008) A Model to Predict Total Chlorine Residue in the Cooling Seawater of a Power Plant Using Iodine Colorimetric Method. International Journal of Molecular Sciences., 9, 542-553.
    • Pai, S.C., Chiao, L.Y. (2007) Exchange of comments on: “Temporal shifting: a hidden key to the skewed peak puzzle”. Journal of Chromatography A, 1148, 262-263.
    • Pai, S.C., Lai, Y.H., Chiao, L.Y., Yu, T. (2007) Dispersion-convolution model for simulating peaks in a flow injection system. Journal of Chromatography A, 1139, 109-120.
    • Pai, S.C., Chiao, L.Y. (2007) Temporal shifting: A hidden key to the skewed peak puzzle. Journal of Chromatography A, 1139, 104-108.
    • You, Y.Z., Chern, C.S., Yang Y., Liu, C.T. Liu, K.K., Pai, S.C. (2005) The South China Sea, a cul-de-sac of North Pacific Intermediate Water. Journal of Oceanography, 61(3), 509-527.
    • Pai, S.C. (2004) Temporally convoluted Gaussian equations for chromatographic peaks, Journal of Chromatography A, 1028, 89-103.
    • Pai, S.C. (2004) Temporally convoluted Gaussian equations for chromatographic peaks, Journal of Chromatography A, 1028, 89-103.
    • Pai, S.C., Chern, C.S., Chiao, L.Y. (2003) Further clarifications on the parcel model. Journal of Chromatography A, 1018, 125-127.
    • Pai S.C. (2003) Parcel model for peak shapes in chromatography- Numerical verification of the temporal distortion effect to peak asymmetry. Journal of Chromatography A, 988, 233-260.
    • Pai, S.C. (2002) Evaluation of the temporal effect to the peak tailing in flow injection analysis. Journal of Chromatography A, 950, 271-279.
    • Chen, C.T.A., Wang, S.L., Wang, B.J., Pai, S.C. (2001) Nutrient budgets for the South China Sea basin. Marine Chemistry, 75, 281-300.
    • Pai, S.C., Tsau, Y.J., Yang, T.I. (2001) pH and buffering capacity problems involved in the determination of ammonia in saline water using the indophenol blue spectrophotometric method. Analytica Chimica Acta, 434, 209-216.
    • Chen, C.T.A., Ruo, R., Pai, S.C., Liu, C.T., Wong, G.T.F. (1999) Author’s reply to comments on “Artifacts introduced into the calculation of the mixing ratios of seawater end-members using T-S properties”. Continental Shelf Research, 19, 295-298.
    • Hsiung, T.M., Gong, G.C., Pai, S.C. (1998) A persistent mid-depth dissolved manganese maximum in the southern Okinawa Trough. Terrestrial Atmospheric and Oceanic Sciences, 9(1), 119-125.
    • Wong, G.T.F., Gong, G.C., Liu, K.K., Pai, S.C. (1998) ‘Excess Nitrate’ in the East China Sea. Estuarine, Coastal and Shelf Science, 46, 411-418.
    • Cheng, H.S., Pai, S.C., Yang, M.H., Chang, T.Y., Ho, W.H., Jen, J.F., Hsieh, C.F., Jian, S.J., Hsi, T.S., Cheng, K.L., Lin, T.H., Ho, S.M., Tsai, C.M. (1996) Cooperative study of precision and accuracy on the determinations of around-ppb levels of copper and lead in environmental waters. Journal of the Chinese Chemical Society, 43, 237-245.
    • Chung, S.W., Pai, S.C. (1996) Vertical Distributions of Cadmium, Copper, Nickel and Zinc in the western Philippine Sea and a Comparison With Data From Other Parts of the Pacific Ocean. Terrestrial Atmospheric and Oceanic Sciences, 7(3), 399-407.
    • Shaw P.T., Chao, S.Y., Liu, K.K., Pai, S.C., Liu, C.T. (1996) Winter upwelling off Luzon in the northeastern South China Sea. Journal of Geophysical Research, 101(C7), 16435-16448.
    • Wong G.T.F., Pai, S.C., Chung, S.W. (1995) Cobalt in the western Philippine Sea. Oceanologica Acta, 18(6), 631-638.
    • Pai, S.C., Chung, S.W., Ho, T.Y., Tsau, Y.J. (1996) Determination of Nano-molar levels of nitrite in natural water by spectrophotometry after pre-concentration using SEP-PAK C18 cartridge. International Journal of Environmental Analytical Chemistry, 62, 175-189.
    • Gong G.C., Liu, K.K., Pai, S.C. (1995) Prediction of nitrate concentration from two end member mixing in the southern East China Sea. Continental Shelf Research, 15 (7), 827-842.
    • Chen, C.T.A., Ruo, R. Pai, S.C., Liu, C.T., Wong G.T.F. (1995) Exchange of water masses between the East China Sea and the Kuroshio off Northeastern Taiwan. Continental Shelf Research, 15 (1),19-39.
    • Pai, S.C., Riley, J.P. (1994) Determination of nitrate in the presence of nitrite in natural waters by flow injection analysis with cadmium reductor. International Journal of Environmental Analytical Chemistry, 57, 263-277.
    • Chen, C.T.A., Liu, C.T., Pai, S.C. (1994) Transport of oxygen, nutrients and carbonates by the Kuroshio Current. Chinese Journal of Oceanology and Limnology, 12, 220-226.
    • Pai S.C., Chen, H.Y. (1994) Vertical distribution of cadmium in marginal seas of the western Pacific Ocean, Marine Chemistry, 47, 81-91.
    • Pai S.C., Tseng, C.M., Lin, F.J. (1993) Optimization of heating programs of GFAAS for the determination of Cd, Cu, Ni and Pb in sediments using sequential extraction technique. International Journal of Environmental Analytical Chemistry, 50, 193-205.
    • Pai S.C., Gong, G.C., Li, K.K. (1993) Determination of dissolved oxygen in seawater by direct spectrophotometry of total iodine. Marine Chemistry, 41, 343-351.
    • Gong G.C., Liu, K.K., Liu, C.T., Pai, S.C. (1992) The chemical hydrography of the South China Sea west of Luzon and a comparison with the West Philippine Sea. Terrestrial Atmospheric and Oceanic Sciences, 3, 587-602.
    • Liu K.K., Gong, G.C., Lin, S.W., Yang, C.Y., Wei, C.L., Pai, S.C., Wu, C.K. (1992) The year-round upwelling at the shelf break near the northern tip of Taiwan as evidenced by chemical hydrography. Terrestrial Atmospheric and Oceanic Sciences, 3, 243-276.
    • Liu, K.K., Gong, G.C., Shyu, C.Z., Pai, S.C., Wei, C.L., Chao, S.Y. (1992) Response of Kuroshio upwelling to the onset of the northeast Monsoon in the sea north of Taiwan: Observations and a numerical simulation. Journal of Geophysical Research, 97 (C8), 12511-12526.
    • Wong, G.T.F., Pai, S.C., Liu K.K., Liu, C.T., Chen, C.T.A. (1991) Variability of the chemical hydrography at the frontal region between the East China Sea and the Kuroshio north-east of Taiwan. Estuarine, Coastal and Shelf Science, 33, 105-120.
    • Tsai, C.H., Tsau, Y.J., Pai, S.C. (1991) The Capacity of removing externally added Cu by riverine fine-grained sediments in fresh water at neutral pH. Journal Environmental Technology, 12(10), 881-885.
    • Pai S. C., Fang, T.H., Chen, A.C.T., Jeng, K.L. (1990) A low contamination Chelex-100 technique for shipboard pre-concentration of heavy metals in seawater. Marine Chemistry, 29, 295-306.
    • Pai, S.C., Chen, T.C., Wong, G.T.F., Hung, C.C. (1990) Maleic acid/ammonium hydroxide buffer system for preconcentration of trace metals from seawater, Analytical Chemistry, 62(7), 774-777.
    • Pai, S.C., Yang, C.C. Riley, J.P. (1990) Formation kinetics of the pink azo dye in the determination of nitrite in natural water, Analytica Chimica Acta, 232, 235-349.
    • Pai, S.C., Hung, S.D., Hung, C.C. (1990) Preparation of A Heavy Metal-Removed Seawater. Journal of the Chinese Chemical Society, 37, 535-540.
    • Pai, S.C., Yang, C.C. Riley, J.P. (1990) Effects of acidity and molybdate concentration on the kinetics of the formation of the phosphoantimonylmolybdenum blue complex. Analytica Chimica Acta, 229, 115-120.
    • Wen, L.S., Liu, K.K., Pai, S.C., Liu, C.T. (1989) Apparent oxygen utilization in the western Philippine Sea and shelf water near Taiwan, Acta Oceanographica Taiwanica, 23, 19-32.
    • Wong, G.T.F., Pai, S.C., Chen, C.T.A. (1989) Chemical hydrography across the East China Sea-Kuroshio frontal region northeast of Taiwan. Acta Oceanographica Taiwanica, 23, 1-18.
    • Pai, S.C. (1988) Pre-concentration efficiency of Chelex-100 resin for heavy metals in seawater, Part 2. Distribution of heavy metals on a Chelex-100 column and optimization of the column efficiency by a plate simulation method, Analytica Chimica Acta, 221, 271-280.
    • Pai, S.C., Whung, P.Y. Lai, R.L. (1988) Pre-concentration efficiency of Chelex-100 resin for heavy metals in seawater, Part 1, Effects of pH and salts on the distribution ratios of heavy metals, Analytica Chimica Acta, 221, 257-270.
    • Liu, K.K., Pai, S.C., Liu, C.T. (1988) Temperature-nutrient relationships in the Kuroshio and adjacent waters near Taiwan, Acta Oceanographica Taiwanica, 21, 1-17.
    • Liu, C.T., Pai, S.C.(1987) As Kuroshio turns : (II) The oceanic front North of Taiwan, Acta Oceanographica Taiwanica, 18, 49-61.
    • Pai, S.C., Liu, C.J., Wen, L.S., Lai, R.L., Fang, T.S. Jiann, K.T. Yang, C.C. (1987) Primary investigation of the western Philippine Sea water –Chemical data from the CHIPS-1 Expedition, Yearly Journal of National Taiwan College of Marine Science and Technology, 21, 49-68.
    • Pai, S.C., Gong, G.C. Wen, L.S. Yang, C.C. (1987) Salt matrix interference on atomic absorption spectrometry and its elimination by polarized Zeeman Effect correction system, Yearly Journal of National Taiwan College of Marine Science and Technology, 21, 33-47.
    • Liu. C.T., Liau, S.G., Pai, S.C., Liu, K.K. (1986) Water masses in the western Philippine Sea – Physical aspects, Acta Oceanographica Taiwanica, 17, 1-17.
    • Pai S.C., Fang, T.S., Yang, C.C. (1986) On the determination of high concentration phosphate in natural and waste waters, Acta Oceanographica Taiwanica, 17, 84-94.
  • Teaching：
      微量元素分析專論
      理論海洋化學
      化學海上實習

  • Supervised Dissertations：
      1. CHEN, HONG-YU 80
      Vertical distribution of cadmium in the Philippine Sea, the South China Sea and the East China Sea
      2. GONG, GUO-QING 80
      Chemical hydrography of the kuroshio front in the sea northeast of Taiwan
      3. He, Dong Yuan 82
      Analysis of dissolves ferrous & ferric iron and their applications to natural waters
      4. Li, Shi Qi 84
      Pre-concentration and determination of low-level phosphate in natural waters
      5. Chung,Shi-Wei 84
      Establishment of a plate model for the column-type pre- concentration and its application of the determinations of trace elements in seawater
      6. Chang, Mei-Hwei 86
      study on major and trace elements in mineral water --- Feasibility of using the geochemical characteristics to set up a source identification system
      7. Tai-I Yang 89
      Study on the Interference in the Determination of Ammonia in Seawater
      8. Liao Jui-Fen 89
      Reaction kinetics of silicomolybdenum complex in the determination of silicate in natural water
      9. C.L.Chiang 91
      Optimization of the cadmium-reductor for the determination of nitrate with a carrier-free designed automated analyzer
      10. Miao-Ling Chen 93
      Pollution in Danshuei River System as Illustrated by A Segmental Block Color Method
      11. Chun-Chieh Lai 93
      Simulation of Column Chromatograph by A Dimensional Parcel Model
      12. Yee-Hwong Lai 93
      Simulation of Peak Shapes in Flow Injection Analysis by a Temporally Convoluted Gaussian Equation