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Papers since 2015 are available from Wiley.
(Bulletin of the Korean Chemical Society: List of Issues - Wiley Online Library)
Search : "[ author: Keon Sang Ryoo ]" (13)
Synthesis, Characterization and Crystal Structure of trans-Aquahydroxobis(2,2-dimethyl- 1,3-propanediamine)chromium(III) Diperchlorate
Dohyun Moon  Chang-Seop Lee  Keon Sang Ryoo  Jong-Ha Choi
Vol. 35, No. 10, pp. 3099-3102, Oct. 2014
10.5012/bkcs.2014.35.10.3099

Evaluation of Loess Capability for Adsorption of Total Nitrogen (T-N) and Total Phosphorous (T-P) in Aqueous Solution
Daeik Kim  Keon Sang Ryoo  Yong Pyo Hong  Jong-Ha Choi
Vol. 35, No. 8, pp. 2471-2476, Aug. 2014
10.5012/bkcs.2014.35.8.2471

Comparative Study on Adsorptive Characteristics of Diazinon in Water by Various Adsorbents
Keon Sang Ryoo  Sun Young Jung  Hun Sim  Jong-Ha Choi
Vol. 34, No. 9, pp. 2753-2759, Sep. 2013
10.5012/bkcs.2013.34.9.2753

Synthesis, Spectroscopic and Ligand Field Properties of trans-Difluorobis(2,2-dimethylpropane-1,3-diamine)chromium(III) Perchlorate
Jong Ha Choi  Keon Sang Ryoo  Sang Hak Lee
Vol. 32, No. 1, pp. 296-298, Jan. 2011
10.5012/bkcs.2011.32.1.296
Destruction and Removal of PCBs in Waste Transformer Oil by a Chemical Dechlorination Process
Keon Sang Ryoo  Sang Hyuk Byun  Jong-Ha Choi  Yong Pyo Hong  Young Tae Ryu 
Jae Seol Song  Dong Suk Lee  Hwasung Lee
Vol. 28, No. 4, pp. 520-528, Apr. 2007
10.5012/bkcs.2007.28.4.520
Analytical Head-space Supercritical Fluid Extraction Methodology for the Determination of Organochlorine Compounds in Aqueous Matrix
Keon Sang Ryoo  Seong-Oon Ko  Yong Pyo Hong  Jong-Ha Choi  Yonggyun Kim 
Won Kyoung Lee
Vol. 27, No. 5, pp. 649-656, May   2006
10.5012/bkcs.2006.27.5.649
Spectroscopic Properties and Ligand Field Analysis of trans-Dibromo(2,2-dimethyl-1,3-diaminopropane)chromium(III) Moiety
Jong-Ha Choi  In-Gyung Oh  Woo-Taik Lim  Keon Sang Ryoo  Dong Il Kim 
Yu Chul Park
Vol. 26, No. 6, pp. 903-0, Jun. 2005
10.5012/bkcs.2005.26.6.903
Adsorption of Specific Organics in Water on GAC and Regenertion of GAC by Countercurrent Oxidative Reation
Keon Sang Ryoo  Tae Dong Kim  Yoo Hang Kim
Vol. 23, No. 6, pp. 817-823, Jun. 2002
10.5012/bkcs.2002.23.6.817
Synthesis and Spectral Properties of [N-(2-Aminoethyl)-1,2-ethanediamine] (L-prolylglycinato)chromium(III) Perchlorate
Jong-Ha Choi  Yong Pyo Hong  Yu Chul Park  Sang Hak Lee  Keon Sang Ryoo

Vol. 22, No. 1, pp. 107-109, Jan. 2001

Synthesis and Reactivity of Novel Fluorinated Tricyclic Dynemicin A Mimic
Jung Hee Kim  Keon Sang Ryoo  Jong-Ha Choi  Yong Pyo Hong
Vol. 21, No. 1, pp. 37-38, Jan. 2000

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ISSN(Print) 0253-2964
ISSN(Online) 1229-5949